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1 item @ $25.00  

Jensenite with Mcalpineite

#42307

Jensenite with Mcalpineite

#42307
Availability
Sold
Size
2 x 1.5 x 0.4 cm - Thumbnail 
Formula
Cu2+3Te6+O6·2H2O (RRUFF)
Locality
Centennial Eureka mine, Tintic dist., Juab Co., Utah, United States
Tagged
copper , tellurium

Small, tiny, about 0.25mm or less single bright green, extremely rare, Jensenite crystal associated with dark, grass green, Mcalpineite on the backside. The Jensenite was visually identified by Martin Jensen himself.

Jensenite

Formula
Cu2+3Te6+O6·2H2
Crystal System
Monoclinic 
Crystal Habit
Subhedral Crystals, Pseudo Rhombohedral, Cryptocrystalline 
Cleavage
Fair, None, None 
Luster
Adamantine 
Color
emerald green 
Streak
emerald green 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
3-4 

Data courtesy of Webmineral.

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