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2 items @ $50.00  
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Tantalite-(Fe) -Tantalite-(Mn)

#BAC61378
SOLD
Tantalite-(Fe) from São Pedro, Malacacheta dist., Minas Gerais, Brazil - BAC61378
Tantalite-(Fe) from São Pedro, Malacacheta dist., Minas Gerais, Brazil - BAC61378

Tantalite-(Fe) -Tantalite-(Mn)

#BAC61378
Availability
Sold
Size
4.5 x 4.5 x 2.5 cm - Miniature 
Formula
Fe2+Ta2O6 (RRUFF)
Locality
São Pedro, Malacacheta dist., Minas Gerais, Brazil
Tagged
pegmatite mineral

Fantastic specimen of Tantalite-Columbite showing complex crystal forms with all faces showing oblique "growth striations" to the intersections of the faces. 

Tantalite-(Fe)

Formula
Fe2+Ta2O6 
Crystal System
Orthorhombic 
Cleavage
Distinct, None, None 
Luster
Sub Metallic 
Color
brownish black, black 
Streak
black brown 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
6-6.5 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
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