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Varying levels of chromium determine its color intensity
Himalayan Quartz Cluster with Siderite
The green color is caused by the presence of chromium
Pietersite Pendant
Quartz and Calcite with Chalcopyrite from Morocco TF2145 kazakhstan Varying levels of chromium determineQuartz and Calcite with Chalcopyrite from Morocco Approx. Dimensions: 5x3x2. 25 inches Approx. Weight: 376 grams Locality: El Hammam, Meknes, Fes Meknes Region, Morocco This oddball specimen is a combination of quartz and calcite with a coating of chalcopyrite. It has formations of stepped, columnar calcite coated on one side by a 1 4" layer of quartz crystals.
US$ 78.00
US$ 158.00
US$ 158.00
US$ 158.00
US$ 43.73
