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0 item @ $0.00  

Goethite

#PD29741

Goethite

#PD29741
Availability
Sold
Size
8 x 6 x 6 cm - Sm Cabinet 
Formula
FeO(OH) (RRUFF)
Locality
Palmer Mine, Negaunee, Marquette Co., Michigan, United States
A large heavy piece of golden-brown compact acicular Goethite "Needle Ore". Nice specimens of Goethite from the Negaunee area in the Marquette Iron Range, either reniform or needle-like, are uncommon on the market and this large piece would definitely make a good addition to any Michigan collector's collection.

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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