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0 item @ $0.00  

Uranmicrolite with tourmaline

#BAC63787

Uranmicrolite with tourmaline

#BAC63787
Availability
Available
Price
$25.00
Size
2 x 1 x 1 cm - Thumbnail 
Formula
(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7 (RRUFF)
Locality
Virgem da Lapa, Minas Gerais, Brazil

Tin, 1mm and less, yellow crystals.

Discredited

Uranmicrolite

Formula
(U,Ca)2(Ta,Nb)2O6(OH) 
Crystal System
Isometric 
Crystal Habit
Octahedral Crystals 
Cleavage
None, None, None 
Luster
Greasy (Oily) 
Color
greenish brown, yellow brown, black 
Streak
yellow 
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
5.5 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
Special Info
Discredited

Other Sold

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