Pierres et Minéraux. Quartz. 21.87 ct. Saint-André d'Embrun, Hautes-Alpes, France.

Stones and Minerals. Quartz. 5.33 Ct. Saint-André d'Embrun, Hautes-Alpes, France.

Stones and Minerals. Quartz. 90.59 Ct. Alnif County, Drâa-Tafilalet Region, Morocco.

Stones and Minerals. Quartz. 17.99 Ct. La Gardette Mine, Bourg d'Oisans, Isère, France.

Stones and Minerals. Quartz. 13.66 Ct. La Gardette Mine, Bourg d'Oisans, Isère, France.

Quartz 'rock Crystal' and Siderite 201.2 Carats

Stones and Minerals. Quartz. 44.27 Ct. La Gardette Mine, Bourg d'Oisans, Isère, France.

Stones and Minerals. Quartz. 7.23 Ct. La Gardette Mine, Bourg d'Oisans, Isère, France.

Stones and Minerals. Quartz. 187.4 Ct. Mercoirol, Laval-Pradel, Gard, Occitanie, France. Rare.

Stones and Minerals. Quartz. 103.0 Ct. L'Alpe d'Huez, Bourg d'Oisans, France.

Stones and Minerals. Septaria, Diamond Quartz. 61.5 Ct. Ribiers, Hautes-Alpes, France. Rare.

Stones and Minerals. Quartz. 24.65 Ct. Plan-du-Lac, St. Christophe-en-Oisans, Isère, France.

Stones and Minerals. Quartz. 24.14 Ct. La Gardette Mine, Bourg d'Oisans, Isère, France.

Stones and Minerals. Quartz. 12.87 Ct. La Gardette Mine, Bourg d'Oisans, Isère, France.

Stones and Minerals. Quartz. 10.81 Ct. La Gardette Mine, Bourg d'Oisans, Isère, France.

Stones and Minerals. Quartz. 73.0 Ct. Vizille, Isère, France.

Stones and Minerals. Quartz Window. 107.1 Ct. Allos, Alpes-de-Haute-Provence, France..

Stones and Minerals. Smoky Quartz. 311.75 Ct. L'Alpe d'Huez, Bourg d'Oisans, France.

Stones and Minerals. Quartz + Pyrite. 50.40 Ct. Plan-du-Lac, St. Christophe-en-Oisans, Isère, France.

Stones and Minerals. Quartz. 157.9 Ct. Mercoirol, Laval-Pradel, Gard, Occitanie, France. Rare.

Stones and Minerals. Quartz. 21.11 Ct. La Gardette Mine, Bourg d'Oisans, Isère, France.