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22130001 2008 年 02 月 13 日 19:41 Reading (loading. ..) Comments (0) Category: Miscellaneous world Kan
If you want to learn more about the knowledge of certain minerals,
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gem beryl the mineral feldspar Gold Diamond Emerald Corundum jade, lapis lazuli peridot garnet Spinel Topaz Tourmaline Turquoise protein quartz zircon, some of these minerals can provide more than one gem, such as beryl emerald and aquamarine available,
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Beryl: Beryllium - aluminum silicate mineral, industrial sources of beryllium. Because there are several variants of beryl used as gems, so long the subject of attention. These variants are aquamarine (light green), emerald (dark green), gold beryl (golden yellow) and cesium beryl (pink). Beryl is a lot of granitic rocks and their associated pegmatite secondary components found in gneiss and mica schist. Beryl gemstone varieties (except emerald outside) is typical for pegmatite crystal cave, and emeralds produced in the mica schist and limestone in the asphalt. The ordinary non-gem beryl pegmatite in many, often into a disseminated small crystals, but also discovered 200 tons of crystal. 20th century, 20 years ago,
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