Zircon
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Name:
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Zircon |
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Composition:
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Zirconium Silicate, ZrSiO4 |
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Hardness:
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7.5 |
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Colours:
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Can be colorless crystals or in shades of green, gray, red, blue, yellow, or brown. |
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Use:
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Gemstone - hyacinth, jacinth, jargon. |
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Countries
where found:
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Sri Lanka, Madagascar, Norway, and New South Wales, Australia. |
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Summary
of formation:
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Zircon occurs as an accessory mineral in all types of igneous rock. Zircon is abundant in silica-rich rocks; it crystallizes in the tetragonal system . |