Turquoise - Wikipedia, the free encyclopedia
Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula CuAl 6 ( ) 4 (OH) 8 ·4 . It is rare and valuable in finer grad...
en.wikipedia.org/wiki/Turquoise
The turquoise is ancient, yet again and again it finds itself back in fashion. Its shining sky blue is one of the most popular trend colours in the world of jewellery and fashion. ... Turquoise affords protection and joie de vivre...
www.gemstone.org/gem-by-gem/english/turquoise.html www.gemstone.org/gem-by-gem/english/turquoise.html
; Figure 12. -- Carved turquoise from Arizona; (Photo is courtesy of the author.) ... The name turquoise may have come from the word Turquie, French for Turkey, because of the early belief that the mineral came from that country (the turquoise most likely came from Alimersai Mountain in Persia (now Iran) or the...
minerals.usgs.gov/minerals/pubs/commodity/gemstones/sp1... minerals.usgs.gov/minerals/pubs/commodity/gemstones/sp14-95/turquoise.html
Turquoise (color) - Wikipedia, the free encyclopedia
Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula CuAl 6 (PO 4 ) 4 (OH) 8 · 4H 2 O. It is rare and valuable in f...
en.wikipedia.org/wiki/Turquoise_(color)
"Turquoise Mountain was established to restore not only the city's former beauty and to keep its famous craft skills alive, but also a sense of pride in Afghanistan's culture. I am enormously proud of all that Turquoise ;
www.turquoisemountain.org/ www.turquoisemountain.org/
Turquoise, information, history, pictures of rough and polished stones, origins and healing properties. ... Turquoise is the one of the official birth stones for the month of December as adopted by the American National Association of Jewelers in 1912 and the Planetary stone for Aquarius, Taurus and Sagittarius.
www.bernardine.com/gemstones/turquoise.htm www.bernardine.com/gemstones/turquoise.htm
Turquoise jewelry, care, facts, treatments, and lore. Add nice additional information to your gifts. ... Howlite is often dyed to imitate turquoise. Turquoise made in a laboratory has a very uniform color. Chalky varieties of turquoise are often coated with wax or oil to enhance color - and when treated like this,
www.jewelrymall.com/stones/turquoise.html www.jewelrymall.com/stones/turquoise.html
Turquoise has been used and coveted since before 4000 BC. It can be pure in color or may contain secondary minerals or even matrix. If the matrix forms a pattern of interlocking polygons it is sometimes called "spider-web" turquoise.
www.theimage.com/gemstone/turquoise/turquoise.html www.theimage.com/gemstone/turquoise/turquoise.html
Turquoise has been widely used in Native American jewelry, inlays, and carvings. Much of the mass-market material has been permeated with resin and other substances to seal porous material and to improve color. Very fine, untreated material is fairly scarce.
www.tradeshop.com/gems/turquois.html www.tradeshop.com/gems/turquois.html