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#185 Chalcopyrite on Calcite
Brushy Creek Mine, Greeley, Viburnum Trend District, Reynolds County, Missouri, USA
12 x 7 x 4.5 cm
$100
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#87 Copper inclusions in Calcite
Franklin Mine, Hancock, Houghton County, Michigan, USA
25 x 18 x 15 mm
$100
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#94 Chalcopyrite and Hematite Inclusions in Optical Calcite
Faraday Township, Bancroft District, Hastings County, Ontario, Canada
7 x 4 x 2.7 cm
$50
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#135 Skeletal Calcite
Nikolaevskiy Mine, Dal'negorsk, Primorskiy Kray, Far-Eastern Region, Russia
8 x 3.5 x 2.5 cm
$75
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#78 Chalcopyrite Inclusions in Optical Calcite
Faraday Township, Bancroft District, Hastings County, Ontario, Canada
8 x 5.5 x 4 cm
$50
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#184 Septarian Nodule - Calcite in Chert
Lake Michigan beaches, South Haven, Van Buren County, Michigan, USA
2 slabs 12.5 x 8.7 x 0.7 cm
$75
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#142 Calcite Crystals in Fossil Clamshell (mercenaria permagna)
Rucks Pit, Fort Drum, Okeechobee County, Florida, USA
9.5 x 8 x 4.5 cm
$150
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