It ranges in hardness from 3 to 7 5 depending on the mineralogy of its host rock.
Turquoise blue gemstones.
Here we ve listed the top 13 blue gemstones used in jewelry highlighting their pros and cons.
Above and to the right is a turquoise gemstone from the southern blue gem mine located near tonopah nevada.
Its dazzling blue green shade made an appearance in ancient egypt around 6000 bce where it was incorporated into protective amulets and royal bling for the likes of king tut and cleopatra.
About blue turquoise turquoise is an opaque copper bearing basic aluminium phosphate.
The most legendary of all the stones the turquoise crystal has reached rock star status in the world of healing minerals.
A sky blue turquoise with minimal veining is typically considered to be the most valuable though in some countries blue turquoise with black veins or complex matrix patterns are more desirable.
Like most other opaque gems turquoise has been devalued by the introduction onto the market of.
The dying is done to enhance the blue from more greenish or mottled stones.
Many turquoise gemstones are greener than they are blue.
List of blue gemstones.
Only a few gemstones have a color that is so familiar.
Agate a soft blue color amazonite teal color apatite translucent teal blue color azurite turquoise in color with green veins throughout azurite drusy dark blue with natural crystal formations aquamarine very light translucent blue in color cats eye aquamarine simi.
Turquoise is a copper mineral with a bright blue to blue green color.
There are a wide range of blue gemstones to choose from from common blue chalcedony to the rarest blue diamonds.
Blue gem turquoise has become very scarce and is rarely seen for sale.
Turquoise may occasionally also be mixed together with green malachite or chrysocolla causing blue and green mottled gemstones.
The blue in turquoise comes from traces of copper and green comes from traces of iron.
Widespread in both inexpensive jewelry and designer pieces turquoise is the most popular of blue gemstones.
This tuquoise mine was located in the royston hills district it produced a lot of high quality turquoise from about 1935 to 1965.
Since millennia turquoise has been prized as a gemstone for its unique color of which was named after the gemstone and not the other way around.
The brilliant sky blue color of fine turquoise has never lost its fascination by gemstone and gemstone jewelry.
The color is so familiar and so enjoyed that the word turquoise has become a commonly used word for a milky blue green color.
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.
Thus some turquoise is highly resistant to scratching but most will scratch easily.
Lets take a look at other blue gemstone.