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Willemite with Tephroite & Franklinite

#51664

Willemite with Tephroite & Franklinite

#51664
Availability
Sold
Size
5 x 3 x 3.5 cm - Miniature 
Formula
Zn2SiO4 (RRUFF)
Locality
Franklin, Sussex Co., New Jersey, United States

Green Willemite with brown Tephroite and black Franklinite.

Willemite

Formula
Zn2SiO4 
Crystal System
Trigonal 
Crystal Habit
Prismatic, Massive - Granular, Massive 
Cleavage
Poor, Poor, None 
Luster
Vitreous - Resinous 
Color
white, yellow, green, reddish brown, black 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Uneven 
Hardness
5.5 

Data courtesy of Webmineral.

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