Calcite

  

  

Calcite on fluorite

Origin: sub-Rosiclare Level Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois, U.S.A.
mined in March, 1975

Sample size: 6 x 6 x 3.5 cm

 

  

  

Calcite on fluorite

Origin: Rosiclare Level, Denton Mine, Harris Creek District, Hardin County, Illinois, U.S.A.
mined circa 1982

Sample size: 7 x 5 x 4 cm

 

  

  

  

Calcite and barite on fluorite

Origin: Minerva #1 Mine, Harris Creek District, Hardin County, Illinois, U.S.A.

Sample size: 9.5 x 6 x 4 cm

 

  

Calcite twin

Origin: Sub-Rosiclare Level, Bahama Pod, Denton Mine, Harris Creek District, Hardin County, Illinois, U.S.A.
mined in 1993

Sample size: 7.5 x 8 x 4 cm

 

  

 

  

Origin: Rosiclare Level Crosscut Orebody, Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois, U.S.A.
mined in May, 1991

Sample size: 6.5 x 2.5 x 2.5 cm (top), 7 x 3.5 x 2.5 cm (bottom)

 

  

  

Calcite with chalcopyrite

Origin: China (locality presently unknown)

Sample size: 11 x 9 x 6.8 cm

 

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