Calcite and Pyrite on Matrix – OTH 038

Measurements:  63 x 43 x 26 mm

Description:  Calcite crystals with bits of pyrite, sit on a quartz matrix with bits of pyrite. 

The only notable damage is to the edges of the specimen.

Weight of Specimen:  58.8 g

Chemical Composition:  CaCO₃ (calcite)
                                        FeS₂ (pyrite)
                                        SiO₂ (quartz)

Hardness on Mohs Scale:  (calcite) 3
                                           (pyrite) 6 - 6.5 
                                          (quartz) 7

Specimen Code:  OTH 038