| Habit: | Long prisms to 15cm | | Colour: | grey black | | Fluorescence: | none | | Description: | The chalcostibite is pseudomorphing to azurite. The distinctive blue and black is unique. These chalcostibites are superior to the recent French ones tauted as world's finest. | | Reference: | [Gramaccioli, C. M., 1985. Conoscere i minerali. I solfosali. Istituto Geografico De Agostini, Novara, 96 pp] |
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