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Simpsonite

#65656
SOLD
Simpsonite from Equador, Rio Grande do Norte, Brazil - 65656
Simpsonite from Equador, Rio Grande do Norte, Brazil - 65656

Simpsonite

#65656
Availability
Sold
Size
1.3 x 0.5 x 0.6 cm - Thumbnail 
Formula
Al4Ta3O13(OH) (RRUFF)
Locality
Equador, Rio Grande do Norte, Brazil
Tagged
pegmatite mineral

White quartz-like mass but distinguish by its intense bluish white fluorescence under short wave.

Fluorescent

Simpsonite

Formula
Al4Ta3O13(OH) 
Crystal System
Trigonal 
Crystal Habit
Euhedral Crystals, Prismatic, Striated 
Cleavage
None, None, None 
Luster
Vitreous - Adamantine 
Color
brownish yellow, colorless, white, light brown, light yellow 
Streak
white 
Class
Trigonal - Pyramidal 
Fracture
Brittle - Conchoidal 
Hardness
7-7.5 

Data courtesy of Webmineral.

Special Info
Fluorescent
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