Turquoise Gemstone Colors And Information

Turquoise is a porous gemstone and is thus easily dyed.
Turquoise gemstone colors and information. Turquoise is an opaque blue to green mineral that is a hydrated 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 and ornamental stone for thousands of years owing to its unique hue. The name turquoise dates to 16th century and derived from old french word for turkish because it entered western europe through asia minor. Turquoise is an important gemstone. Greenish colors are less desirable and are not usually used as gemstones.
The dying is done to. Turquoise specimens are also popular among. Turquoise was one of the earliest gems to be used for personal adornment. Turquoise is sometimes mixed with malachite or chrysocolla which causes a blue and green mottled appearance.
With striking sky blue to blue green colors turquoise has been prized by cultures all over the world for over 5 000 years. It was used by ancient egypt rulers around 5500 bc. The turquoise that is found in the usa contains iron rather than aluminum so it is actually a mixture of turquoise and chalcosiderite. Turquoise may occasionally also be mixed together with green malachite or chrysocolla causing blue and green mottled gemstones.
Turquoise is the only gemstone that has a color named after it. Like most other opaque gems turquoise has been devalued by the introduction onto the market of. Its bright color has afforded it important gem use throughout several ancient civilizations and today it remains an important yet affordable gemstone.