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1 item @ $40.00  

Perhamite with Jarosite

#37675

Perhamite with Jarosite

#37675
Availability
Sold
Size
3 x 2 x 2 cm - Thumbnail 
Formula
Ca3Al7.7Si3P4O23.5(OH)14.1·8H2O (RRUFF)
Locality
Silver Coin mine, Humboldt Co., Nevada, United States

White formless crystal grains throughout matrix with excellent orange Jarosite crystals. This is a fine specimen you will enjoy under the scope.

Perhamite

Formula
Ca3Al7.7Si3P4O23.5(OH)14.1·8H2
Crystal System
Hexagonal 
Crystal Habit
Platy 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
light brown, white 
Streak
white 
Class
Hexagonal - Dihexagonal Dipyramidal 
Hardness

Data courtesy of Webmineral.

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