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Anatase with Quartz and Dolomite

#61181

Anatase with Quartz and Dolomite

#61181
Availability
Sold
Size
9.5 x 8 x 3 cm - Cabinet 
Formula
TiO2 (RRUFF)
Locality
Homestake mine, Lawrence Co., South Dakota, United States

About 1mm euhedral Anatase crystals scattered across matrix with Quartz and Dolomite. The reverse side is all white Dolomite crystals to 8mm.

Anatase

Formula
TiO2 
Crystal System
Tetragonal 
Crystal Habit
Pyramidal, Tabular 
Cleavage
Perfect, Distinct, None 
Luster
Adamantine - Resinous 
Color
black, reddish brown, yellowish brown, dark blue, gray 
Streak
pale yellowish white 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Conchoidal 
Hardness
5.5-6 

Data courtesy of Webmineral.

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