rough diamond natural uncut p#01+7 (amazing with sunlight)
Analcime: Mineral information, data and localities.
The Oxidation of Diamond: The Geometry and Stretching Frequency of Carbonyl on the (100) Surface
Mine Tales: Arizona's world-class onyx
Scheelite: Mineral information, data and localities.
Salt And Pepper Diamond
Diamond - Wikipedia
Diamond: Mineral information, data and localities.
Molybdenite: Mineral information, data and localities.