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Hilgardite (Strontian) with Anhydrite

#PD36258

Hilgardite (Strontian) with Anhydrite

#PD36258
Availability
Sold
Size
4 x 4 x 3.5 cm - Miniature 
Formula
Ca2B5O9Cl·H2O (RRUFF)
Locality
Angara, Siberia, Russia

White crystalline areas throughout grey Anhydrite matrix.

Hilgardite

Formula
Ca2B5O9Cl·H2
Crystal System
Triclinic 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous (Glassy) 
Color
colorless 
Streak
white 
Class
Triclinic - Pedial 
Hardness

Data courtesy of Webmineral.

Collection
Phillips Collection

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