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There are a large number of minerals that are used to make carved tanzanite gemstones. Some are blurry; some are clearer in nature while others can be clearly cut and polished. Cutting and polishing, especially for the fine jewelery market, requires expertise in knowing how to cut rough stone to get the most out of it without losing valuable carats - and as they become scarce, the price of these stones also increases. Other gemstones that are less expensive are as numerous as the multi-member quartz family, that is, amethyst can be m... more
