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0 item @ $0.00  

Ixiolite

#41482
SOLD
Ixiolite from Helen Beryl mine, Custer Co., South Dakota, United States - 41482

Ixiolite

#41482
Availability
Sold
Size
1 x .08 x 0.4 cm - Thumbnail 
Formula
(Ta,Mn,Nb)O2 (RRUFF)
Locality
Helen Beryl mine, Custer Co., South Dakota, United States

A 1cm chip.

Ixiolite

Formula
(Ta,Mn,Nb)O2 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Irregular Grains 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
gray, black, steel gray 
Streak
dark brown 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal - Uneven 
Hardness
6-6.5 

Data courtesy of Webmineral.

Collection
Phillips Collection
Mineralpedia
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