Birthstone Gems

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November Birthstone - Topaz

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Topaz fact file

Crystal Structure: orthorhombic
Chemical Composition: fluosilicate of aluminum
Hardness: 5-6 MOHS

Refractive Index: colorless and blue topaz - 1.610 to 1.617
yellow and brown topaz - 1.630 to 1.637 Colors: Many colors including pink, blue, lavender, yellow, orange, orange-yellow, brownish yellow, yellow-brown, red, and colorless

Topaz, the November birthstone along with Citrine, has all the colors of the setting sun - Brown, yellow, orange, sherry, red and pink.

It is said to cure insomnia, asthma, and hemorrhages. Topaz crystals may become quite large and finished gems weighing several thousands of carats are seen in many museum collections.

Name

Topaz may have derived its name from the Island of Topazios in the Red Sea but some authorities think the name may have come from the Sanskrit word "topas" that means "fire."

Related Pages:

Topaz Properties
Know more about the physical and chemical properties of Topaz such as composition, color etc.
Topaz History and Geography
Some interesting facts about Topaz such as where it is found, stories from history and mythology, and its healing properties.
Buying and Caring for Topaz Jewelry
Tips for Buying Topaz Jewelry and taking care of Topaz Jewelry