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Iowaite

#21568
SOLD
Iowaite from Mount Keith mine, Mt. Keith, Western Austrialia, Australia - 21568
Iowaite from Mount Keith mine, Mt. Keith, Western Austrialia, Australia - 21568

Iowaite

#21568
Availability
Sold
Size
9 x 5 x 4.5 cm - Sm Cabinet 
Formula
Mg6Fe3+2(OH)16Cl2·4H2O (RRUFF)
Locality
Mount Keith mine, Mt. Keith, Western Austrialia, Australia

The specimen is from Ben Grguric. As he describes on his label: Cross-fibre vein of iowaite lizardite altered dunite with blebs of pentlandite. You will note his specimen on Mindat also states the rock matrix is altered to Dunite and the Iowaite is altering to pyroaurite. Note also the Woodalite crystal grains to 1mm in the matrix. The Iowatie "vein" is 5mm across.

Iowaite

Formula
Mg6Fe3+2(OH)16Cl2·4H2O 
Crystal System
Trigonal 
Crystal Habit
Platy 
Cleavage
Perfect, None, None 
Luster
Greasy (Oily) 
Color
bluish green, greenish white, honey yellow 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Hardness
1.5 

Data courtesy of Webmineral.

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