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Wenkite

#61600
SOLD
Wenkite from Candoglia, Mergozzo, Piedmont, Italy - 61600
Wenkite from Candoglia, Mergozzo, Piedmont, Italy - 61600

Wenkite

#61600
Availability
Sold
Size
4 x 4 x 2.7 cm - Miniature 
Formula
Ba4Ca6(Si,Al)20O41(OH)2(SO4)3·H2O (RRUFF)
Locality
Candoglia, Mergozzo, Piedmont, Italy

Wenkite, a zeolite, is found in only three worldwide localites. This is the type locality. Wenkite is formed in baryte lavers in calc-silicate rocks a product of metamorphosed marbles.

Type Locality

Wenkite

Formula
Ba4Ca6(Si,Al)20O41(OH)2(SO4)3·H2O 
Crystal System
Hexagonal 
Crystal Habit
Columnar 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
light gray 
Streak
white 
Class
Hexagonal - Ditrigonal Dipyramidal 
Fracture
Brittle 
Hardness
6 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
Special Info
Type Locality
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