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1 item @ $125.00  

Gormanite

#56455

Gormanite

#56455
Availability
Sold
Size
5.5 x 3.5 x 4 cm - Sm Cabinet 
Formula
Fe2+3Al4(PO4)4(OH)6·2H2O (RRUFF)
Locality
Big Fish River, Dawson dist., Yukon Territory, Canada
Tagged
phosphate

Dark bluish-green bladed crystals in thick divergent groups. Interesting mineral in that it looks fibrous, but the crystals are very brittle. Gormanite like other phosphates of Rapid & Big Creek are low-temperature fracture filling deposits.

Type Locality

Gormanite

Formula
Fe2+3Al4(PO4)4(OH)6·2H2
Crystal System
Triclinic 
Crystal Habit
Radial, Aggregates, Bladed 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
blue green 
Streak
pale green 
Class
Triclinic 
Hardness
4-5 

Data courtesy of Webmineral.

Collection
Don Phillips Collection
Special Info
Type Locality
Mineralpedia
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On Dakota Matrix
Previously Sold Gormanite
On Dakota Matrix
Other Available Gormanite
WebMineral
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Mindat
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