Gemology

Topics related to Gemology

Topaz

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Topaz is a stone of strength.

Color: Pure topaz is colorless, but it also occurs in a broad range of colors: yellow, blue, pink, peach, gold, green, red, and brown.

Topaz

Birthstone: Topaz along with citrine are birthstones of Scorpius (Scorpion): Oct. 24 - Nov. 21. 

Tiger Eye

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Tiger eye - offers courage, energy, and luck.

Stone's names: Tiger eye, also spelled tiger's-eye and tigereye. Tiger eye is also called crocidolite cat's-eye or African cat's-eye. Tiger Eye

Color: Tiger eye has a rich yellow and golden brown stripes, with a fine golden lustre when polished. 

Pearl

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Pearl symbolizes love, success, and happiness.

Color: The color of pearls varies with the mollusk and its environment. It ranges from black to white, with the rose of Indian pearls esteemed most. Other colors are cream, gray, blue, yellow, lavender, green, and mauve. All occur in delicate shades. Cultured pearls are being produced in virtually every color of the rainbow. Pearl



Opal

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Opal is given as a symbol of hope, happiness and truth.

Color: Opal is fundamentally colorless, but such material is rarely found. Disseminated impurities generally impart to opal various dull body colors that range from the yellows and reds derived from iron oxides to black from manganese oxides and organic carbon. The milkiness of many white and gray opals is attributable to an abundance of tiny gas-filled cavities in them.

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