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| Table 2: Gemstones listed by density |
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| Density range and common density followed by optic data make possible a quick identification of many gemstones; References to complementary |
| information in table 1 and the use of tables 3 & 4 will confirm the identification when necessary. This table is very useful to identify rough specimens. |
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- (This table is not available in the basic chart 2002)
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