
Calcite
$65.00
Specimen: #221057
Dimensions: 4 × 2.3 × 1.8 cm
Locality: Huanggang Mine, Chifeng, Inner Mongolia, China

Calcite on Stilbite
$125.00
Specimen: #222061
Dimensions: 21.5 × 7.5 × 3.5 cm
Locality: Nasik, India

Stibnite and Calcite
$250.00
Specimen: #417001
Dimensions: 9 × 7.5 × 5.5 cm
Locality: Wuning Mine, Qingjiang, Wuning co., Jiujiang, Jiangxi, China

Siderite and Sphalerite epimorph over Calcite
$350.00
Specimen: #908124
Dimensions: 7.2 × 5.5 × 3.7 cm
Locality: Aggenys Pb-Zn Mine, Northwest Province, South Africa

Calcite with Hematite
$65.00
Specimen: #921065
Dimensions: 6 × 4.5 × 2 cm
Locality: Tonglushan Mine, Daye County, Huangshi Prefecture, Hubei Province, China

Galena with Calcite
$75.00
Specimen: #921152
Dimensions: 5 × 2.5 × 3.5 cm
Locality: Joplin, Jasper County, Missouri

Wulfenite on Calcite with Descloizite
$150.00
Specimen: #222261
Dimensions: 4.5 × 3.5 × 2 cm
Locality: Erupcion Mine, Los Lamentos, Ahumada Mun., Chihuahua, Mexico

Chalcopyrite and Calcite
$95.00 $85.50
Specimen: #222041
Dimensions: 5.5 × 5.5 × 2.5 cm
Locality: Sweetwater Mine, Ellington, Reynolds County, Missouri

Calcite
$595.00 $535.50
Specimen: #921273
Dimensions: 12 × 11 × 6.5 cm
Locality: Tonglushan Mine, Daye Co., Huangshi Prefecture, Hubei Province, China

Calcite
$65.00 $58.50
Specimen: #921276
Dimensions: 8.8 × 6 × 5.5 cm
Locality: Santa Eulalia, Chihuahua, Mexico

Calcite (Fluorescent) with Sphalerite and Chalcopyrite
$250.00 $225.00
Specimen: #222116
Dimensions: 5.5 × 5.5 × 3 cm
Locality: Huanzala Mine, Huallanca Dist., Bolognesi Province, Ancash, Peru

Calcite (Fluorescent)
$125.00 $112.50
Specimen: #222066
Dimensions: 6.8 × 5.6 × 3.4 cm
Locality: Verckhnii Mine, Dalnegorsk, Dalnegorsk Urban District, Primorskiy Krai, Russia

Calcite with Boulangerite
$75.00 $67.50
Specimen: #214027
Dimensions: 3.8 × 2.8 × 3 cm
Locality: Herja Mine, Maramures, Romania

Calcite (Fluorescent)
$65.00 $58.50
Specimen: #217060
Dimensions: 8 × 5.5 × 3 cm
Locality: Kruschev dol Mine, Madan Ore Field, Rhodope Mountains, Bulgaria

Wulfenite on Calcite with Mimetite
$125.00 $112.50
Specimen: #222157
Dimensions: 4.6 × 3.5 × 2.5 cm
Locality: Los Lamentos, Chihuahua, Mexico

Calcite
$295.00 $265.50
Specimen: #222073
Dimensions: 8.5 × 8 × 4 cm
Locality: Mina Salaverna, Concepcion Delotto, Zacatecas, Mexico

Calcite with Chalcopyrite and Dolomite
$225.00 $202.50
Specimen: #222071
Dimensions: 6.5 × 6.5 × 3 cm
Locality: Sweetwater Mine, Ellington, Reynolds County, Missouri

Cobaltoan Calcite
$750.00 $675.00
Specimen: #322568
Dimensions: 7.6 × 5.2 × 3 cm
Locality: Agoudal, Bou Azzer District, Tazenakht, Ouarzazate Province, Morocco

Rhodochrosite with Calcite
$225.00 $202.50
Specimen: #322506
Dimensions: 8.2 × 6.6 × 4.8 cm
Locality: Trepca, Trepca Valley, Kosovska Mitrovica, Kosovo

Calcite
$595.00
Specimen: #322613
Dimensions: 8.2 × 7.3 × 6 cm
Locality: Dal?negorsk, Primorskiy Kray, Russia

Siderite with Calcite
$150.00 $135.00
Specimen: #322531
Dimensions: 8.6 × 5.8 × 3.4 cm
Locality: Neudorf, near Harzgerode, Harz, Saxony-Anhalt, Germany

Manganoan Calcite twinned crystals
$295.00 $265.50
Specimen: #322523
Dimensions: 8.1 × 6.1 × 5.5 cm
Locality: Huanggang Mine, Hexigten, Chifeng Prefecture, Inner Mongolia, China

Sphalerite with Calcite
$125.00 $112.50
Specimen: #322628
Dimensions: 7.5 × 4.5 × 4.3 cm
Locality: Santa Eulalia District, Chihuahua, Mexico

Calcite twinned crystals
$395.00 $355.50
Specimen: #322510
Dimensions: 8 × 5.4 × 4.2 cm
Locality: Basalt Quarry, Ambariomiambana, Sambava District, Sava Region, Antsiranana Province, Madagascar

Pyrite after Pyrrhotite with Calcite
$125.00 $112.50
Specimen: #322649
Dimensions: 7.5 × 5.5 × 3 cm
Locality: Santa Eulalia District, Mun. de Aquiles Serdan, Chihuahua, Mexico

Calcite var. Cobaltoan Calcite
$295.00 $265.50
Specimen: #322533
Dimensions: 7 × 6 × 3 cm
Locality: Agoudal, Tazenakht, Ouarzazate Province, Morocco

Calcite
$125.00 $112.50
Specimen: #322561
Dimensions: 6 × 6 × 5.5 cm
Locality: Irai, Alto Uruguai Region, Rio Grande do Sul, Brazil

Calcite
$225.00 $202.50
Specimen: #322573
Dimensions: 6 × 4.1 × 4 cm
Locality: Campomorto Quarry, Motalto di Castro, Latium, Italy

Cavansite with Calcite on Stilbite
$125.00 $112.50
Specimen: #322525
Dimensions: 3.2 × 3.1 × 2.4 cm
Locality: Wagholi Quarry, Pune District, Maharashtra, India

Calcite
$85.00 $76.50
Specimen: #322629
Dimensions: 4.6 × 3 × 2 cm
Locality: Berry Materials Corp. Quarry, North Vernon, Jennings County, Indiana

Marcasite on Calcite
$250.00 $225.00
Specimen: #322602
Dimensions: 12.5 × 7.5 × 3 cm
Locality: Linwood Mine, Buffalo, Scott County, Iowa

Calcite with Heulandite
$175.00 $157.50
Specimen: #322650
Dimensions: 10 × 7.5 × 5.5 cm
Locality: Nasik District, Mahashtra, India

Mottramite and Calcite
$125.00 $112.50
Specimen: #921205
Dimensions: 6 × 5 × 5 cm
Locality: Tsumeb Mine, Tsumeb, Namibia

Dogtooth Calcite
$45.00 $40.50
Specimen: #921301
Dimensions: 11.5 × 7 × 3.5 cm
Locality: Santa Eulalia, Chihuahua, Mexico

Calcite and Chalcopyrite
$125.00 $112.50
Specimen: #222104
Dimensions: 6 × 5.5 × 2.8 cm
Locality: Brushy Creek Mine, Viburnum Trend, Reynolds County, Missouri