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

Calcite (Fluorescent)
$250.00
Specimen: #222203
Dimensions: 11 × 5.5 × 4 cm
Locality: Irai, Alto Uruguai Region, Rio Grande do Sul, Brazil

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

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

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
Specimen: #322628
Dimensions: 7.5 × 4.5 × 4.3 cm
Locality: Santa Eulalia District, Chihuahua, Mexico

Calcite twinned crystals
$395.00
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
Specimen: #322649
Dimensions: 7.5 × 5.5 × 3 cm
Locality: Santa Eulalia District, Mun. de Aquiles Serdan, Chihuahua, Mexico

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

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

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

Cobaltoan Calcite and Dolomite
$295.00 $265.50
Specimen: #122151
Dimensions: 8 × 7 × 2.5 cm
Locality: Musonoi Mine, Kolwezi, Kolwezi Mining District, Lualaba, Democratic Republic of Congo

Calcite (Fluorescent)
$225.00 $202.50
Specimen: #221162
Dimensions: 5.5 × 4.7 × 4.3 cm
Locality: Huanggangliang, Hexigten Banner, Inner Mongolia, China

Cobaltoan Calcite
$225.00 $202.50
Specimen: #921020
Dimensions: 7.5 × 6 × 4.5 cm
Locality: Agoudal Mine, Ourzazate Provine, Souss-Draa Region, Morocco

Calcite with Hematite
$75.00 $67.50
Specimen: #921244
Dimensions: 15.5 × 9.5 × 3 cm
Locality: Santa Eulalia, Chihuahua, Mexico

Sphalerite and Calcite
$150.00 $135.00
Specimen: #921260
Dimensions: 10.8 × 10 × 3 cm
Locality: Elmwood Mine, Smith County, Tennessee

Calcite and Pyrite
$195.00 $175.50
Specimen: #921268
Dimensions: 8.5 × 7.5 × 5.5 cm
Locality: Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite
$85.00 $76.50
Specimen: #921263
Dimensions: 11 × 8 × 3 cm
Locality: Santa Eulalia, Chihuahua, Mexico

Calcite
$325.00 $287.50
Specimen: #921216
Dimensions: 6 × 4 × 2.8 cm
Locality: Tonglushan Mine, Daye County, Huangshi Prefecture, Hubei Province, China

Calcite
$45.00 $40.50
Specimen: #921089
Dimensions: 3.6 × 2.2 × 2 cm
Locality: Paul Frank Quarry, North Vernon, Jennings County, Indiana

Vanadinite and Calcite
$75.00 $67.50
Specimen: #921091
Dimensions: 5.5 × 5.5 × 2.7 cm
Locality: San Carlos Mine, Chihuahua, Mexico

Fluorite on Calcite
$65.00 $58.50
Specimen: #921097
Dimensions: 5.8 × 5.8 × 2.3 cm
Locality: Santa Eulalia, Chihuahua, Mexico

Calcite with Chalcopyrite
$75.00 $67.50
Specimen: #921157
Dimensions: 8.3 × 7 × 3.5 cm
Locality: Brushy Creek Mine, Viburnum Trend, Reynolds County, Missouri

Calcite (twinned) with Palygorskite and Romanechite
$695.00 $625.50
Specimen: #921230
Dimensions: 12 × 9.5 × 4.5 cm
Locality: Palmarejo Mine, Chihuahua, Mexico

Cobaltian Calcite
$125.00 $112.50
Specimen: #921238
Dimensions: 8.5 × 7 × 4 cm
Locality: Bou Azzer, Morocco

Calcite with Hematite
$65.00 $58.50
Specimen: #921116
Dimensions: 8.5 × 6.5 × 3 cm
Locality: Level 10, El Potosi Mine, Santa Eulalia, Chihuahua, Mexico