Chrysocolla mineral

Chrysocolla mineral

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Credit: DIRK WIERSMA/SCIENCE PHOTO LIBRARY

Caption: Chrysocolla mineral. Chrysocolla (hydrous copper silicate, blue) is a semi-precious mineral found in stalactic masses (stalactites). In its pure form chrysocolla is soft and fragile and is more often used when found fused with other gemstones, such as agate. Chrysocolla is formed in the oxidation zones of copper-rich ore deposits and is an important surface indicator pinpointing the presence of copper. Chrysocolla is itself a secondary copper ore. The specimen shown here has a bulbous, grape-like (botryoidal) appearance.

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Keywords: blue, botryoidal, chemical, chemistry, chrysocolla, copper, copper indicator, copper ore, copper ores, copper silicate, earth science, gem, gemstone, geological, geology, hydrous copper silicate, indicator, mineral, mineralogy, ore, semi precious, semi-precious, surface indicator

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