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0 item @ $0.00  

Alstonite

#50269

Alstonite

#50269
Availability
Sold
Size
6 x 4 x 4 cm - Sm Cabinet 
Formula
BaCa(CO3)2 (RRUFF)
Locality
Fallowfield mine, Acomb, Northumberland, England
Tagged
carbonate

A 1.5cm pocket lined with white, spiked crystals of micro Alstonite. 

Alstonite

Formula
BaCa(CO3)2 
Crystal System
Triclinic 
Crystal Habit
Euhedral Crystals, Pseudo Hexagonal 
Cleavage
Imperfect, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, gray, white, pink 
Streak
white 
Class
Triclinic 
Fracture
Uneven 
Hardness
4-4.5 

Data courtesy of Webmineral.

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