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Articles About Semiprecious Gemstones

Turquoise

Currently 2.30/5 1 2 3 4 5 Rating 2.3/5 (10 votes) Colors are light blue, blue green, and apple green. This stone is a hydrated aluminum copper phosphate that often contains iron. It is a great deal softer than quartz therefore is usually treated in some way for stability. Rare and highly valued turquoise stones are usually sky-blue in color without gray and black inclusions.