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0 item @ $0.00  

Ankerite

#50094

Ankerite

#50094
Availability
Sold
Size
7 x 7 x 6 cm - Sm Cabinet 
Formula
CaFe2+(CO3)2 (RRUFF)
Locality
Iowa, United States
Tagged
carbonate

Saddle shaped brown Ankerite crystals to 1cm in Geode.

Ankerite

Formula
CaFe2+(CO3)2 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Massive, Granular 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
brown, brownish yellow, gray, gray brown, white 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Sub Conchoidal 
Hardness
3.5-4 

Data courtesy of Webmineral.

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