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0 item @ $0.00  

Hilgardite with Boracite

#52462

Hilgardite with Boracite

#52462
Availability
Sold
Size
4.5 x 3.5 x 3 cm - Miniature 
Formula
Ca2B5O9Cl·H2O (RRUFF)
Locality
Boulby Potash mine, Loftus, Cleveland, England

Red pointed Hilgardite crystals to 1mm in radial groups with glassy, green orthorhombic crystals of Boracite to 1mm. 

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.

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