colemanite
Should be viewed full screen keys L and F11
Colemanite from Boron, Calif. (purchased)
It was first described in 1884 for an occurrence near Furnace Creek in Death Valley and was named after William Tell Coleman (1824–1893), owner of the mine "Harmony Borax Works" where it was first found. At the time, Coleman had alternatively proposed the name "smithite" instead after his business associate Francis Marion Smith.
Colemanite is an important ore of boron, and was the most important boron ore until the discovery of kernite in 1926. It has many industrial uses, like the manufacturing of heat resistant glass.
en.wikipedia.org/wiki/Colemanite
Thank you for looking!
3/10 sec. f/16 55mm ISO100
colemanite
Should be viewed full screen keys L and F11
Colemanite from Boron, Calif. (purchased)
It was first described in 1884 for an occurrence near Furnace Creek in Death Valley and was named after William Tell Coleman (1824–1893), owner of the mine "Harmony Borax Works" where it was first found. At the time, Coleman had alternatively proposed the name "smithite" instead after his business associate Francis Marion Smith.
Colemanite is an important ore of boron, and was the most important boron ore until the discovery of kernite in 1926. It has many industrial uses, like the manufacturing of heat resistant glass.
en.wikipedia.org/wiki/Colemanite
Thank you for looking!
3/10 sec. f/16 55mm ISO100