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0 item @ $0.00  

Pentagonite

#44475

Pentagonite

#44475
Availability
Sold
Size
4 x 3.5 x 2.5 cm - Miniature 
Formula
CaV4+OSi4O10·4H2O (RRUFF)
Locality
Wagholi, near Pune, Maharashtra, India
Tagged
vanadium

Vivid blue bladed crytsals, the longest to over 1cm well protected in vug. The entire cluster is 1.5cm wide.

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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