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2. Turquoise - Wikipedia

   en.wikipedia.org/wiki/Turquoise

   Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula Cu Al 6 (PO 4) 4 8 ·4H 2 O.It is rare and valuable in finer grades and has been prized as a gemstone for millennia due to its hue.

3. Turquoise (color) - Wikipedia

   en.wikipedia.org/wiki/Turquoise_(color)

   The turquoise gemstone is the namesake for the color. Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula Cu Al 6 (P O 4) 4 (OH) 8 ·4H 2 O. It is rare and valuable in finer grades and has been prized as a gem and ornamental stone for thousands of years owing to its unique ...

4. What is the birthstone for December? Hint: There's actually ...

   www.aol.com/birthstone-december-hint-theres...

   Turquoise is mined in Iran, New Mexico, Arizona, Nevada and China, according to the Geological Institute of America. China is the world's largest producer of the stone, in particular the Hubei ...

5. Howlite - Wikipedia

   en.wikipedia.org/wiki/Howlite

   Howlite is commonly used to make decorative objects such as small carvings or jewelry components. Because of its porous texture, howlite can be easily dyed to imitate other minerals, especially turquoise because of the superficial similarity of the veining patterns. Howlite is also sold in its natural state, sometimes under the trade names of ...

6. Larimar - Wikipedia

   en.wikipedia.org/wiki/Larimar

   Larimar is the tradename for a rare blue variety of the silicate mineral pectolite found only in Dominican Republic, around the city of Barahona. [4] Its coloration varies from bluish white, light-blue, light-green, green-blue, turquoise blue, turquoise green, turquoise blue-green, deep green, dark green, to deep blue, dark blue and purple, violet and indigo and the larimar can come in many ...

7. Firoozeh Koobi - Wikipedia

   en.wikipedia.org/wiki/Firoozeh_Koobi

   Firoozeh Koobi is a product made of copper, brass, silver, or bronze, in which small pieces of turquoise stone are placed together on a part of its surface in a mosaic form. [7] Turquoise inlaying is recognized in Iran as an art-industry in the division and classification of Iranian handicrafts, which has an artistic and aesthetic aspect and ...