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1 item @ $40.00  

Graeserite

#BAC61615

Graeserite

#BAC61615
Availability
Sold
Size
3 x 1.5 x 0.8 cm - Thumbnail 
Formula
Fe4Ti3AsO13(OH) (RRUFF)
Locality
Gorb, Lärchultini, Binntal, Wallis, Switzerland

Tiny 1mm and less acicular crystals throughout specimen. Graeserite is a rare titanium mineral with arsenic and found only in three places in the world.

Type Locality

Graeserite

Formula
Fe4Ti3AsO13(OH) 
Crystal System
Monoclinic 
Crystal Habit
Acicular, Radial, Aggregates 
Cleavage
Distinct, None, None 
Luster
Metallic 
Color
black 
Streak
black 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness
5.5 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
Special Info
Type Locality

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