| Gewicht | 0,935 kg (935 gr) |
|---|---|
| Dimensions | 19 × 10 × 5 cm |
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| Type | |
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| Origin | |
| SKU | 22166 |
Quartz with Goethite
Sales unit: Unique
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Quartz with Goethite from Morocco
Quartz
Quartz is one of the most common and versatile minerals on earth. It occurs in a wide range of shapes and colours, from clear rock crystal to rose quartz, smoky quartz and amethyst. Quartz consists of silica and forms in both igneous, metamorphic and sedimentary rocks.
Major deposits include Brazil, Madagascar, India, Switzerland and the United States. Its chemical formula is SiOâ‚‚, and the mineral has a hardness of 7 on the Mohs scale.
Well-known varieties include rock crystal (colourless), amethyst (purple), rose quartz (pink), smoky quartz (grey to brown) and citrine (yellow to orange).
Sources:
Mindat.org, Gemdat.org, Wikipedia - Quartz
