Dimensions: 13 x 9 x 6 cm | 5.2 x 3.54 x 2.36 inch.
Description: Quartz is a mineral composed of silica. After feldspar, it is the most common mineral in the earth's crust, being present in a large number of igneous, metamorphic and sedimentary rocks. It stands out for its hardness and resistance to weathering on the earth's surface.
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