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0 item @ $0.00  

Friedelite with Willemite

#BM39964

Friedelite with Willemite

#BM39964
Availability
Sold
Size
7.5 x 7 x 3 cm - Sm Cabinet 
Formula
Mn2+8Si6O15(OH)10 (RRUFF)
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States

Excellent specimen of Friedelite with coverage on two sides. The Friedelite crystals are good with triangular faces. Associated with the Friedelite are long, prismatic, faint green or yellow Willemite (FL green) crystals. The longest Willemite is 1cm. One of the crystals is nicely terminated.

Friedelite

Formula
Mn2+8Si6O15(OH)10 
Crystal System
Monoclinic 
Crystal Habit
Massive, Tabular 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
brown, brown red, yellow, light pink, dark red 
Streak
pink 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
4-5 

Data courtesy of Webmineral.

Collection
McConlogue Collection

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