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0 item @ $0.00  

Volkovskite

#43712

Volkovskite

#43712
Availability
Sold
Size
4.5 x 3 x 2.5 cm - Miniature 
Formula
KCa4[B5O8(OH)]4[B(OH)3]2Cl·4H2O (RRUFF)
Locality
Boulby Potash mine, Loftus, Cleveland, England

Orange bladed crystals. Exceptional piece for the species, which was recently written p in the latest Rocks & Minerals journal.

Volkovskite

Formula
KCa4[B5O8(OH)]4[B(OH)3]2Cl·4H2
Crystal System
Triclinic 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
colorless, light orange, pink 
Streak
white 
Class
Triclinic - Pedial 
Fracture
Brittle - Splintery 
Hardness
2.5 

Data courtesy of Webmineral.

Collection
Dr. Buford L. Nichols Collection

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