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Topaz - Blue - MarquiseThe name Topaz comes from the ancient Sanskrit word Tapas which means fire. The most common color in which the topaz is found is yellow and the rarest are pink, red and golden orange. Many topazes are usually irradiated and heat treated in order to produce a more desired blue hue. History:
Topaz was always a symbol of beauty and affection. It was believed to bring love and to protect against enemies.
Enhancement code: R
Properties:
RI = 1.619-1.627
Hardness = 8
Specific gravity = 3.53
Species – topaz
Optic character – DR
Phenomena – chatoyancy
Care:
Clean with warm water, a soft damp cloth and soft brush. A sudden temperature change or impact can cause a break. For yellow, orange, and brown topaz, avoid heat and strong light as these colors may fade over time. Do not use ultrasonic cleansers and steamers.
Major sources:
Australia, Brazil, Mexico, Myanmar, Namibia, Nigeria, Pakistan, Sri Lanka
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