Pierres et Minéraux. Calcite + Quartz. 238.5 ct. Chifeng, Inner Mongolia, Chine.

Stones and Minerals. Calcite + Quartz. 323.0 Ct. Chifeng, Inner Mongolia, China.

Stones and Minerals. Manganese Calcite + Quartz. 447.5 Ct. Inner Mongolia, China.

Stones and Minerals. Calcite + Quartz. 225.0 Ct. Chifeng, Inner Mongolia, China.

Stones and Minerals. Calcite + Quartz. 114.0 Ct. Chifeng, Inner Mongolia, China.

Stones and Minerals. Calcite + Quartz. 106.0 Ct. Chifeng, Inner Mongolia, China.

Stones and Minerals. Calcite + Quartz. 125.0 Ct. Chifeng, Inner Mongolia, China.

Stones and Minerals. Calcite + Quartz. 320.5 Ct. Chifeng, Inner Mongolia, China.

Stones and Minerals. Calcite + Quartz. 113.0 Ct. Chifeng, Inner Mongolia, China.

Stones and Minerals. Quartz + Calcite. 365.5 Ct. Balochistan, Pakistan.

Stones and Minerals. Calcite. 246.0 Ct. Leiping Mine, Hunan Province, China.

Stones and Minerals. Calcite + Quartz. 133.0 Ct. China.

Stones and Minerals. Quartz + Calcite. 571.6 Ct. Massif Des Grandes Rousses, France.

Stones and Minerals. Quartz + Calcite. 105.5 Ct. Chifeng, Inner Mongolia, China.

Stones and Minerals. Quartz. 255.5 Ct. Val Ferrand, Clavans, Oisans, France.

Stones and Minerals. Calcite + Quartz. 194.0 Ct. China.

Stones and Minerals. Calcite + Baryte. 2308.0 Ct. Saint-Péray, Ardèche, France.

Stones and Minerals. Quartz. 343.5 Ct. Colombia.

Stones and Minerals. Soul Quartz + Calcite. 72.0 Ct. Le Noirey, Saint-Jean-de-Maurienne, Savoie, France.

Stones and Minerals. Calcite. 305.0 Ct. Luzy, Nièvre, France.

Stones and Minerals. Muzo Quartz. 95.9 Ct. Vaulnaveys, Isère, France.