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Rhodochrosite

#WR53409
SOLD
Rhodochrosite from Silverton, San Juan Co., Colorado, United States - WR53409
Rhodochrosite from Silverton, San Juan Co., Colorado, United States - WR53409

Rhodochrosite

#WR53409
Availability
Sold
Size
11 x 8 x 4 cm - Cabinet 
Formula
MnCO3 (RRUFF)
Locality
Silverton, San Juan Co., Colorado, United States
Tagged
carbonate

Crystal plate of two generations of Rhodochrosite: translucent red rhombic crystals to 7mm and mostly opaque pink rhombic crystals to 3mm. The specimen is from the collection of the late Willard Roberts, author of the first and second editions of the Encyclopedia of Minerals.

Rhodochrosite

Formula
MnCO3 
Crystal System
Trigonal 
Crystal Habit
Massive - Granular, Columnar, Botryoidal 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
pinkish red, red, rose red, yellowish gray, brown 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
3 

Data courtesy of Webmineral.

Collection
Willard L. Roberts Collection
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