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0 item @ $0.00  

Pentagonite

#56647

Pentagonite

#56647
Availability
Sold
Size
4.5 x 4.5 x 3.3 cm - Miniature 
Formula
CaV4+OSi4O10·4H2O (RRUFF)
Locality
Wagholi, near Pune, Maharashtra, India
Tagged
vanadium

A large, very good, group of Pentagonite crystals to 3cm long. Excellent specimen.

Pentagonite

Formula
CaV4+OSi4O10·4H2
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Twinning Common, Rosette 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
greenish blue 
Streak
bluish white 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
3-4 

Data courtesy of Webmineral.

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