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Marcasite on Calcite

#49732
Marcasite from Elk Creek, Meade Co., South Dakota, United States - 49732
Marcasite from Elk Creek, Meade Co., South Dakota, United States - 49732

Marcasite on Calcite

#49732
Availability
Available
Price
$25.00
Size
4.5 x 4 x 3 cm - Miniature 
Formula
FeS2 (RRUFF)
Locality
Elk Creek, Meade Co., South Dakota, United States

A cluster of Marcasite crystals sits tucked in amongst golden Calcite crystals, with various Marcasite crystals scattered on the Calcite

Marcasite

Formula
FeS2 
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Stalactitic, Globular 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
bronze, light brass yellow, tin white 
Streak
gray brownish black 
Class
Orthorhombic - Dipyramidal 
Fracture
Uneven 
Hardness
6-6.5 

Data courtesy of Webmineral.

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