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Focus stacking
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White-tailed Jackrabbit starting to moult in spring. Harbour Landing, Regina, Saskatchewan, Canada. 20 March 2021
Oceano Dunes, San Luis Obispo Co., CA
Thanks to friends Don & Bob for reminding me of this treasure in our back yard.
Coral Hairstreak (Harkenclenus titus, Satyrium titus,} Hidden Valley, Qu'Appelle Valley, Saskatchewan, Canada. 7 July 2020
All objects are sea glass (a.k.a. beach glass) — fragments of man-made glass that have been tumbled, rounded, and chemically weathered by water over decades
Key diagnostic features visible here:
Rounded edges (no sharp corners)
Frosted / etched surface (“sugar” texture)
Mixed translucency (from milky to semi-clear)
Irregular shapes (not factory uniform)
This is consistent with genuine sea glass, not machine-tumbled craft glass.
What you have in this image (by type/color)
I’ll break it down by color groups, since color directly indicates original source glass.
1) Common bottle glass (majority of pieces)
Colors present:
White / clear (appears milky when dry)
Medium green (kelly green)
Brown / amber (less prominent but present)
Likely origin:
Beer bottles
Soda bottles
Food containers
Notes:
These are the most common sea glass colors
Typically mid–late 20th century origin
Your pieces are well-weathered → likely 30–70+ years old
2) Seafoam / soft green pieces
Visible pieces:
Large pale green (left side)
Several lighter green/yellow-green fragments
Likely origin:
Vintage Coca-Cola bottles
Mineral water / soda bottles
Details:
“Seafoam” or “soft green” is a known category of bottle glass
Often early–mid 20th century
3) Aqua / turquoise piece (center top)
Distinct piece:
Blue-green triangular fragment (center)
Likely origin:
Older glass (late 1800s–early 1900s)
Mason jars, medicine bottles, or decorative glass
Notes:
Aqua tones are less common than green/clear
Often associated with older glass chemistry
4) Yellow / citron glass
Visible pieces:
Bright yellow-green chunk (center-bottom)
Pale yellow fragments nearby
Likely origin:
Depression-era glassware
Vaseline glass or specialty containers
Notes:
Yellow is uncommon to rare depending on shade
Your pieces are moderate rarity (not extremely rare, but not common)
5) Orange / amber chunk (right side)
Large rough piece:
Deep orange, more angular than others
Interpretation:
Likely less weathered (younger or shorter exposure)
Could be:
Decorative glass
Art glass
Specialty container
Rarity:
Orange is rare overall in sea glass
However, this one looks less frosted → may not be as old as typical rare finds
6) Red pieces (small fragments)
Visible:
Small reddish/orange fragments
Likely origin:
Tail lights, decorative glass, or tableware
Rarity:
Red is generally rare to very rare
Your fragments are small → typical for rare colors (they break down over time)
7) Purple / lavender piece (right side)
Visible:
Small pale purple fragment
Likely origin:
Clear glass altered by manganese (sun-purpled)
Early 20th century glass
Rarity:
Uncommon to rare
8) Condition / grading (quality)
Your collection shows mixed grades:
High quality pieces:
Fully frosted, matte surfaces
Rounded edges (older, longer weathering)
Lower grade / younger pieces:
Slight shine (especially orange piece)
Sharper edges
Typical grading terminology:
“Fine” → some shine
“Very fine” → mostly frosted
“Perfect” → fully frosted, no shine
What is NOT present (important)
No pottery shards (all glass)
No marbles
No slag glass
No natural minerals (all man-made glass)
Summary (concise)
You have a mixed sea glass collection dominated by common bottle glass, with several uncommon and a few rare color inclusions.
Breakdown:
~70–80% common (white, green, amber)
~15–20% uncommon (aqua, seafoam, yellow)
~5–10% rare (orange, red, purple)
Overall assessment:
Authentic, naturally weathered sea glass
Good variety of colors
Moderate collector interest due to presence of rarer tones
Andradite-Grossular; FOV: 2,5 mm; Quichane, Nador, Maroc; Focusstack, DC-G9 Nikon bellows, Schneider Componon S 50
Sand Lily (Leucocrinum montanum)
La Pine, OR
Not a true lily, the Sand Lily has historically been placed in the lily family (Liliaceae). Now, modern taxonomic studies have placed it in the Aparagaceae family, (subfamily Agavoideae) making it more closely related to agaves and yuccas than to true lilies and is the only species in the genus Leucocrinum. It is a common and widespread early spring wildflower that blooms in shortgrass prairies, central and southern Rocky Mountains, and mountains of the west. The plant is 4 in / 10 cm tall with flowers that are 1.6 - 2 in / 4 - 5 cm across. (Wikipedia)
I dug up this plant from my yard where it grows profusely. It was a good species to practice focus stacking on as multiple flowers kept blooming after I potted it and brought it indoors. For all the focus stack masters out there, go easy on me- this was the first stack that came out somewhat decent after many frustrating attempts. It is a stack of 30 images using Helicon Focus.
Neoscona arabesca is a common orb-weaver spider found throughout North America. Bite is comparable to a bee sting, but you have to earn it. This is a female; I've yet to find any males.
Focus Stacking - the first try: ~30 frames, Zerene Stacker trial version, Neewer Pro 4way focusing rail slider, Nikon D750, Nikon 105mm f2.8 G AF-S VR IF ED Micro Nikkor Lens, Nissin flashgun in improvised soft box, reflector (plastic pizza plate)
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Take a peek at Aspirin under the microscope, fairly incredible!
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Dorsal view of a small green jewel beetle. Stack of 166 Photos with Mitutoyo 5x and DIY Automated macro stacker