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0 item @ $0.00  

Topaz

#WR53530

Topaz

#WR53530
Availability
Available
Price
$350.00
Size
10 x 7 x 5 cm - Cabinet 
Formula
Al2SiO4F2 (RRUFF)
Locality
Adun-Cholon Range, Nerchinsk, Zabaykalsky Krai, Russia

Cabinet specimen and an old-time classic with nine sizeable crystals, colorless and nicely striated to 2cm. Exceptional specimen for any Topaz collecter. 

Topaz

Formula
Al2SiO4F2 
Crystal System
Orthorhombic 
Crystal Habit
Crystalline - Coarse, Prismatic, Massive - Granular 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, pale blue, yellow, yellowish brown, red 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness

Data courtesy of Webmineral.

Collection
Willard L. Roberts Collection
Mineralpedia
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WebMineral
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