SONY DSC

FOV: 1.5" wide

From Elk Creek, SD USA comes this 3" wide specimen of calcite with a gemmy barite crystal.

Contains:

Barite (FL+PHOS Bluish White >UVabc)

Calcite (FL Yellowish White >UVabc)

Shown under white light.

Key:

WL = White light

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:"

Obtained from Minershop

MSW1482

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

SONY DSC

Utah Barite over Quartz (close up) - UVc

FOV: 2.75" wide

From Utah, USA comes this 7" wide rock containing quartz covered in barite.

Contains:

Barite (FL Green >UVc)

Quartz (FL Blue >UVc)

Shown under UVc light.

Obtained from Obsidian Days 2012 in Hines, Oregon.

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Unimog-Veteranen-Club (UVC) Sommertreffen 2023 in Bruchhausen-Vilsen

FOV: 4" wide.

Calcium sulfide made by heating calcium carbonate with sulfur in molten salt. Manganese and lead were added as activators. The sample on the piece of scoria and the sample on the lower left were made using hardware store sulfur. The sample on the lower right was made using chemical supply store sulfur.

The mineralogical form of calcium sulfide is oldhamite. It is found predominately in meteorites.

Contains:

CaS:Mn2+ (FL+PHOS Orange >UVabc!)

Shown under UVa light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

...\FL min Experiments\Group II Sulfides\CaS salt on scoria

FOV: 3" wide.

Calcium sulfide made by heating calcium carbonate with hardware store sulfur in molten salt (aka "Jack-o-lite"). The calcium carbonate came from local rockshop calcite that fluoresced orange under UVa possibly due to cerium impurities. A small amount of MnCl2 was added before the salt mixture was melted. The in-homogeneous color demonstrates the high sensitivity the fluroescence has to impurities.

Contains:

CaS:Mn2+ (FL+PHOS Orange,Pink >UVbc)

Shown under UVc light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

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Photostream best viewed in Slideshow mode (in the dark).

18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

...\FL min Experiments\Group II Sulfides\CaS salt HRS MnCl2

Ultraviolet astronomy photos taken with telescope on moon, Apollo 16.

Disclaimer: I am not endorsed by NASA, I have done this out of intrest for the Apollo Program in my free time.

Captured: large magellanic cloud

File information:

This set includes Apollo 16 UVC scans from NASA converted to JPGs by Thomas.

This set also includes unconverted scans from NASA, with a RAW prefix and .raw extension. The latter can not be read by conventional image software. For more information on how it was scanned, see NSSDC link below.

To get the RAW files, see 'Download options' window and click on 'SHOW ALL'

Why, and story:

The Apollo 16 UVC experiment photos are not all readily available on the internet. Original files have been received by NASA by asking here:

nssdc.gsfc.nasa.gov/nmc/datasetDisplay.do?id=ASUV-00017

At this website you can read how the raw files were decoded into image files viewable by modern operating systems: www3.telus.net/summa/faruv/explain.htm

Usefull Information:

The Revised S201 catalog of far-ultraviolet objects inspects some images in detail. A great source of information.

babel.hathitrust.org/cgi/pt?id=mdp.39015059991854

From the Illimanussaq complex, Narsaq, Kitaa Province in Greenland comes this 3.5" wide specimen.

Contains:

Sodalite (FL Orange >UVabc)

Analcime (FL Blue >UVabc)

Shown under UVc light.

Key:

WL = White light

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:"

Obtained from Minershop

MSG1481

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Photostream best viewed in Slideshow mode (in the dark).

18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

SONY DSC

FOV: 9" wide

Experiments in recreating the Bologna Stone, one of the first synthetically made phosphors made by heating barite from near Bologna, Italy. The Bologna Stone amazed the scientifically curious in the 17th century by being phosphorescent after exposure to sun light and lamp light. Because barite (or "heavy spar") is particularly dense, some alchemists believed that this "golden glow of the sun" indicated that Bolognian barite might be a good candidate for tranforming into gold. It is now believed that the Bologna Stone was actually barium sulfide with monovalent copper impurities.

These "Bon-bons" were made by combining BaSO4 with flour, sugar, some CuCl2*2H2O and water. The greenish mixture was put into foil cups and baked at 200 degF until hard. The cooked mixture was then heated/burned with a MAPP gas torch until it glowed bluish white.

Here is diplayed a collection of attempts at creating the Bologna Stone in front of some minerals which also show a strong fluorescence from blue light.

At the rear, from L-R:

Rockyard Calcite (heated with MAPP torch), Afghani Hackmanite and Swedish Sphalerite on Calcite

Front part contains:

Bologna Stone (FL+PHOS! Yellow Orange >blue,UVabc)

Shown under UVc light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

...\FL min Experiments\Group II Sulfides\BaSO4 with flour and sugar\BonBon group1

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

Learn more at the English Language Centre www.uvcs.uvic.ca/elc

From the rockyard at the High Desert Rocks and Gems rockshop in Burns, OR comes this 4" wide slab of agate.

Contains:

Chalcedony (FL Yellow/Blue >UVa/c)

Shown under UVa light.

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Key:

WL = White light

FL = Fluoresces

PHOS = Phosporesces

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:"

18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

FOV: 2.5" wide.

Calcium sulfide made by heating calcium carbonate with hardware store sulfur in molten salt. Copper (~0.1% mol) and sodium (~1% mol) were added as activators. - "Bluelite"

Source:

Ca......CaCO3 (prepared from CaCl2 and Na2CO3)

S.......Sulfur fungicide (Hardware store)

Cu......CuSO4*5H2O (HST)

Na......NaHCO3 (A&H Baking Soda)

NaCl....Mixing salt (Hardware store)

Suspected phosphor:

CaS:Cu+,Na+ (FL Blue,pink >UVab,c)

Shown under UVc light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

...\FL min Experiments\Group II Sulfides\In salt\CaS\CaS salt Cu Na\Prepared CaCO3

Learn more at www.uvcs.uvic.ca/elc

From a Fluorescent Mineral Society meeting (door prize) comes this 2.75" wide specimen.

Contains:

Chalcedony (FL Green >UVabc)

Shown under UVa light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

FOV: 5" wide.

On aluminum tray on the left, salt {~30ml}, cupric chloride dihydrate and lithium carbonate were combined with a small amount of water. The sample was then well heated with a MAPP torch until the salt had melted.

On aluminum tray on the right, salt {~30ml}, cupric oxide and lithium carbonate were combined with a small amount of water. The sample was then well heated with a MAPP torch until the salt had melted.

Both samples were elevated at an angle so that the melted salt would drain from the aluminum trays.

Suspected phosphor: Cu2O in NaCl

Contains:

NaCl:Cu2O (FL Orange, Pink/Blue >BL UVab,c)

Left: CuCl2*2H2O {~0.05ml} + Li2CO3 {0.15ml} (added as flux)

Right: CuO {~0.05ml} + Li2CO3 {0.15ml} (added as flux)

Shown under UVc light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosphorescent

BL = 450nm,

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

Copperite_Comparison (CuCl2 v. CuO)

1Sep2015

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

.

From the Dong Shan Tungsten Mine in Dong Shan, Hunan Province, China comes this 5" wide specimen.

Note the dim red fluorescence of the scheelite under UVb. This may be due to small traces of europium.

Contains:

Fluorite (FL Blue >UVab)

Scheelite (FL Red,Bluish White >UVb,c)

Shown under white light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosphorescent

Blue = 450nm,

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

Obtained from Polman Minerals

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

FOV: 2.5" wide.

Strontium sulfide made by heating strontium carbonate with hardware store sulfur in molten salt (aka "greenlite"). Copper (~0.1% mol) and sodium (1% mol) were added as activators

Source:

Sr......SrCO3 (Alfa Aesar)

S.......Sulfur fungicide (Hardware store)

Cu......CuSO4*5H2O (HST)

Na......NaHCO3 (A&H Baking Soda)

NaCl....Mixing salt (Hardware store)

Suspected phosphor:

SrS:Cu+,Na+ (FL+PHOS! Green >UVabc)

Shown under UVc light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

Series best viewed in Light Box mode using Right and Left arrows to navigate.

Photostream best viewed in Slideshow mode (in the dark).

Thanks to my flickr contact Hrumkorf for an article on phosphor creation in which I found this formula.

18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

...\FL min Experiments\Group II Sulfides\In salt\SrS\SrS in salt Cu and Na

Ultraviolet astronomy photos taken with telescope on moon, Apollo 16.

Disclaimer: I am not endorsed by NASA, I have done this out of intrest for the Apollo Program in my free time.

Captured: large magellanic cloud

File information:

This set includes Apollo 16 UVC scans from NASA converted to JPGs by Thomas.

This set also includes unconverted scans from NASA, with a RAW prefix and .raw extension. The latter can not be read by conventional image software. For more information on how it was scanned, see NSSDC link below.

To get the RAW files, see 'Download options' window and click on 'SHOW ALL'

Why, and story:

The Apollo 16 UVC experiment photos are not all readily available on the internet. Original files have been received by NASA by asking here:

nssdc.gsfc.nasa.gov/nmc/datasetDisplay.do?id=ASUV-00017

At this website you can read how the raw files were decoded into image files viewable by modern operating systems: www3.telus.net/summa/faruv/explain.htm

Usefull Information:

The Revised S201 catalog of far-ultraviolet objects inspects some images in detail. A great source of information.

babel.hathitrust.org/cgi/pt?id=mdp.39015059991854

From N'Chwanning Miner in the Kalahari Mn Fields, Northern Cape Province, South Africa comes this 2" wide specimen.

Contains:

Manganoan Calcite(FL Orange Red >UVabc)

Shown under white light.

\

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

Obtained from UC Minerals

209158

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

Fluorescent mineral experiments: Precipitates - WL

FOV: 12" wide

Fluorescent mineral experiments created by precipitation. The rock on the left is a specimen from Franklin containing hydrozincite, calcite and willemite. The plastic bags contain curing samples of precipitates.

Contains:

Hydrozincite (FL Orange/ Blue white >UVab/c)

Calcite (FL Red >UVc)

Willemite (FL Green >UVabc)

Shown under white light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

FOV: 6" wide.

The majority of the red fluorescing minerals seen on this photostream is calcite which is activated by impurities of manganese and lead (acting as a sensitizer). However manganese's neighbors on the periodic table, iron and chromium also can cause some minerals to fluoresce red.

Seen here is a collection of red fluorescing minerals, (from left to right): microcline (var. Amazonite), ruby and eucryptite. The microcline and eucryptite are activated by Fe3+ and the ruby is activated by Cr3+.

Contains:

Microcline (FL Red >UVc)

Ruby (FL Red >UVa)

Eucryptite (FL Red >UVc)

Shown under UVc light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosphorescent

Blue = 450nm,

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

The microcline and eucryptite were obtained from Polman Minerals

The ruby was obtained from obtained from UC Minerals

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

From the Kokcha Valley, Badakhshan, Afghanistan comes this 2" wide specimen.

Contains:

Hackmanite (FL Orange,Pink,Lilac >UVa,b,c)

Winchite (FL Yellowish green >UVc)

?? (FL Blue >UVabc)

Shown under white light.

Shown in tenbrescenct state after exposure to UVabc light.

Key:

WL = White light

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:"

Obtained from G. Barmarin of Database of Luminescent Minerals

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

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Payerne

From the Mud Tank Carbonatite in the Harts Range in Northern Territory, Australia comes this 2" wide specimen of zircon.

Contains:

Zircon (FL Yellow >UVc)

Shown under UVc light.

Key:

WL = White light

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:"

Obtained from Polman Minerals

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

From the local rockyard comes this interesting 6" wide specimen containing aragonite on deep purple scoria.

Contains:

Aragonite ? (FL Yellow/Blue,Green >UVa/bc)

Shown under UVc light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosphorescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

Obtained from Highland Rocks and Gems' Rockyard, Burns OR, USA.

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

FOV: 3" wide.

Strontium sulfide made by heating strontium carbonate with hardware store sulfur in molten salt (aka "sunnylite"). Manganese (~1% mol) and lead (~0.01% mol) were added as activators

Source:

Sr......SrCO3 (Alfa Aesar)

S.......Sulfur fungicide (Hardware store)

Mn......MnSO4*H2O (Alfa Aesar)

Pb......Pb(NO3)2 (HST)

NaCl....Mixing salt (Hardware store)

Suspected phosphor:

SrS:Mn2+,Pb2+ (FL+PHOS! Orange Yellow >UVabc)

Shown under UVc light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

...\FL min Experiments\Group II Sulfides\In salt\SrS\SrS from AA med salt Pb

FOV: 2.5" wide

From the Haiti mine in La Union, Murcia Spain comes this specimen of barite crystals on a limonite matrix.

Contains:

Barite (FL+PHOS Bluish White >UVabc)

Shown under UVabc light.

Key:

WL = White light

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:"

Obtained from Polman Minerals

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Photostream best viewed in Slideshow mode (in the dark).

18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

FOV: 5" wide.

From the local gas station comes the "whole ranch" of Jolly Rancher rock candy. The candies contain the dyes Blue #1, Red #40, Yellow #5 and Yellow #6.

From left to right: Blue Raspberry, Green Apple, Cherry, Grape and Watermelon.

Shown under white light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosphorescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

From Afghanistan comes this 3" wide specimen.

Contains:

Hackmanite (FL Orange/Pink/Lavender >UVa/b/c)

Winchite (FL Blue/Green,Brown >UVab/c)

Shown in tenebrescent state under white light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

Obtained from Minershop

MSG1344

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

Ultraviolet astronomy photos taken with telescope on moon, Apollo 16.

Disclaimer: I am not endorsed by NASA, I have done this out of intrest for the Apollo Program in my free time.

File information:

This set includes Apollo 16 UVC scans from NASA converted to JPGs by Thomas.

This set also includes unconverted scans from NASA, with a RAW prefix and .raw extension. The latter can not be read by conventional image software. For more information on how it was scanned, see NSSDC link below.

To get the RAW files, see 'Download options' window and click on 'SHOW ALL'

Why, and story:

The Apollo 16 UVC experiment photos are not all readily available on the internet. Original files have been received by NASA by asking here:

nssdc.gsfc.nasa.gov/nmc/datasetDisplay.do?id=ASUV-00017

At this website you can read how the raw files were decoded into image files viewable by modern operating systems: www3.telus.net/summa/faruv/explain.htm

Usefull Information:

The Revised S201 catalog of far-ultraviolet objects inspects some images in detail. A great source of information.

babel.hathitrust.org/cgi/pt?id=mdp.39015059991854

Guayaquil, 25 de julio de 2016.- Vicepresidente Jorge Glas Espinel, participó de la inauguración del UVC Portete. Foto: Wladimir Játiva/Vicepresidencia.

From the basement lab comes this 3.5" wide specimen.

On an aluminum tray mixes for SrS:Pb, CaS:Mn, and CaS:Cu were spread in a thin layer in a radial pattern (CaS:Cu in the center). The sample was then well heated with a MAPP torch until the salt had melted.

SrS:Pb mix: AA SrCO3 {2 spn}, S {2 spn}, NaCl {2 spn} + PbCl2 ssol {1 drop}

CaS:Mn mix: fresh CaCO3 {1 spn}, S {1 spn}, NaCl {1.5 spn} + MnSO4 ssol {1 drop} + PbCl2 ssol {1 drop}

CaS:Cu mix: fresh CaCO3 {1 spn}, S {1 spn}, NaCl {1.5 spn} + malachite {few grains} + PbCl2 ssol {1 drop}

Contains:

SrS:Pb (FL+PHOS!! Yellowish blue,Yellow green >UVa,bc)

CaS:Mn (FL+PHOS! Red,Orange >UVa,bc)

CaS:Cu (FL+PHOS Blue,Blue/Pink >UVa,bc)

Shown under UVc light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosphorescent

Blue = 450nm,

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

Partiyte_19

16Jul2015

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

FOV: 4" wide.

CaAl655 phosphor melted into salt.

Shown in phosphorescent state after exposure to UVabc light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosphorescent

Blue = 450nm,

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

CaAl655 in Salt

4Oct2015

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

From Salinas of Ocucaje in Peru comes this 5" wide specimen.

Contains:

Selenite (FL+PHOS Yellowish white >UVabc)

Halite (FL Reddish~ >UVc)

Shown under white light.

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

Obtained at Obsidian Days 2010, Hines OR, USA.

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

From Mexico comes this 3" wide specimen of calcite on fluorite.

Contains:

Calcite (FL Red >UVbc)

Fluorite (FL+PHOS Blue >UVabc)

Shown under UVabc light.

Key:

WL = White light

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:"

Series best viewed in Light Box mode using Right and Left arrows to navigate.

Photostream best viewed in Slideshow mode (in the dark).

18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

From Mexico comes this 3.5" wide specimen.

Contains:

Calcite (FL Red >UVbc)

Unknown (FL Bluish white >UVbc)

Shown under UVbc light.

Key:

WL = White light

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:"

Obtained from Obsidian Days vendor in Hines OR, USA 2010.

Series best viewed in Light Box mode using Right and Left arrows to navigate.

Photostream best viewed in Slideshow mode (in the dark).

18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps