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0 item @ $0.00  

Goethite ps after Pyrite

#60945

Goethite ps after Pyrite

#60945
Availability
Sold
Size
5 x 5 x 5 cm - Miniature 
Formula
FeO(OH) (RRUFF)
Locality
Gachalá, Cundinamarca, Columbia

Incredible twinned Pyrite crystal totally replaced by Goethite.

Goethite

Formula
FeO(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Acicular, Reniform, Radial 
Cleavage
Perfect, Distinct, None 
Luster
Adamantine - Silky 
Color
brown, reddish brown, yellowish brown, brownish yellow, ocher yellow 
Streak
yellowish brown 
Class
Orthorhombic - Dipyramidal 
Fracture
Hackly 
Hardness
5-5.5 

Data courtesy of Webmineral.

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