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Identifying garnets by species can be difficult due to the great variety of their chemical compositions and properties. There are even stones with mixed compositions. A rhodolite is a garnet with a composition between pyrope and almandine with a distinctive purplish red color. “Rhodolite,” 3.63 cts., fancy round brilliant cut, Tanzania. © Dan Stair Custom Gemstones. Used with permission.
The most complicated part of identifying garnets is distinguishing between the species. The gems in the almandine, pyrope, …
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