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Donpeacorite

#BW56949
SOLD
Donpeacorite from ZCA #4 mine, Balmat, St. Lawrence Co., New York, United States - BW56949
Donpeacorite from ZCA #4 mine, Balmat, St. Lawrence Co., New York, United States - BW56949

Donpeacorite

#BW56949
Availability
Sold
Size
5 x 4.5 x 1.5 cm - Miniature 
Formula
Mn2+MgSi2O6 (RRUFF)
Locality
ZCA #4 mine, Balmat, St. Lawrence Co., New York, United States

Orange interlocking crystalline grains throughout mass. A common associate is a fluorescent mineral called Turneaurite, however there was no response to the UV lights. Donpeacorite forms by the metamorphism of high manganese-siliceous marbles. This mine dates back to 1838. It is worthy of note that the mineral occurs at only five worldwide localities. 

Type Locality

Donpeacorite

Formula
Mn2+MgSi2O6 
Crystal System
Orthorhombic 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
yellow orange 
Class
Orthorhombic - Dipyramidal 
Hardness
5-6 

Data courtesy of Webmineral.

Collection
Bill Wilson Collection
Special Info
Type Locality
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