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Articles About Semiprecious Gemstones

Topaz

Currently 2.80/5 1 2 3 4 5 Rating 2.8/5 (5 votes) Colors are clear, yellow, orange, red, brown, blue, green and purple. Topaz is the hardest of the silicate minerals, due to strong chemical bonds within the stone. Yellow is the most familiar color, red the rarest. The stone is also found in brown, clear and blue.