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Perhamite with Jarosite

#37674
SOLD
Perhamite from Silver Coin mine, Humboldt Co., Nevada, United States - 37674
Perhamite from Silver Coin mine, Humboldt Co., Nevada, United States - 37674

Perhamite with Jarosite

#37674
Availability
Sold
Size
3.5 x 2 x 2 cm - Miniature 
Formula
Ca3Al7.7Si3P4O23.5(OH)14.1·8H2O (RRUFF)
Locality
Silver Coin mine, Humboldt Co., Nevada, United States

White pearly crystals of Perhamite to 0.75mm with great amber Jarosite.

Perhamite

Formula
Ca3Al7.7Si3P4O23.5(OH)14.1·8H2O 
Crystal System
Hexagonal 
Crystal Habit
Platy 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
light brown, white 
Streak
white 
Class
Hexagonal - Dihexagonal Dipyramidal 
Hardness
5 

Data courtesy of Webmineral.

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