How To Identify Persian Turquoise

Identifying Turquoise of the Southwest United States including Arizona Colorado and New New Mexico Turquoise through their characteristics and colors. First of all Royston is actually a district in Nevada consisting of three mines.

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Natural turquoise crumbles and therefore requires an additive to stabilize it.

How to identify persian turquoise. Throughout the centuries the intense sky-blue Iranian turquoise known as Persian turquoise has been the most sought after. In older turquoise pieces the turquoise is stabilized with a type of epoxy and put under pressure. Turquoise tones which are determined by iron and copper content in the stone span from China blue to deep blue and from blue-green to yellowy.

Most fake turquoise can be identified easily by observing its color matrix and more importantly the price of the products. Howlite has a hardness of about 35 while most Turquoise is between 5 6. The specific gravity SG of stones from different sources varies.

Turquoise Mine Identification is achieved through examining the color of the turquoise the color of the host rock and the matrix of the turquoise. Today it is suspected that over 50 of the worlds turquoise jewelry is either other stones Usually Howlite dyed a turquoise color or reconstituted turquoise. It will turn a bit with wear.

Is Persian turquoise more valuable. Turquoise can have a distinctive absorption spectrum with lines at 4600 vague and 4320. In some countries solid blue Sleeping Beauty Turquoise is of the highest value.

Sleeping Beauty has a striking resemblance to the old high grade Persian Turquoise. Spotting a Fake Some imitations like glass and plastic are easy to spot. Others made by dying a different stone to look like turquoise are more difficult.

This is a clear even blue color with no evidence of. Professional identification services can be obtained by sending turquoise specimen to. In current turquoise market most turquoise are stabilized before they are used in jewelery.

Its always found with characteristic black golden or brown spider web matrix which makes them easy to identify. While there is some overlap some of the measurements at the extreme ends can help identify sources. These are usually seen in light reflected from the stones surface.

It has natural webb. Cerrillos is the only turquoise that forms at the base of a volcano. Turquoise is often spelled with an e as the final letter but in this country mineralogists agreed to be consistent and drop the e.

Thus a variety of colors developes from the minerals in the various volcanic host rocks. Please note examples are BELOW the descriptions. Bunker Hill Oscar Wehrend and the largest producer Royal Blue.

Number 8 turquoise range in color from light blue to blue-green to dark blue. The green turquoise cabochon from an American mine might become part of a designers unique jewelry piece. In Tibet turquoise is called gyu curiously similar to the term yu which the Chinese apply to jade their most precious gem.

Some turquoise is really powdered stone attached around a rock with epoxy. Detail of raw Sleeping Beauty chip Another reason Sleeping Beauty is so sought after is that so much of it is soft and oftentimes chalky and only about 4 of these blue beauties are hard enough for artisans to work with cut and set into jewelry. The Persian word for turquoise is ferozah or firozah which means victorious.

Dyed Howlite is commonly sold to people as natural Turquoise. Fine-quality turquoise from a known origin like Iran or famous mines like Sleeping Beauty can command a small premium from collectors but pricing is primarily based on quality not geographic origin. The weight is off it has an unnatural shine to it etc.

While this is not an easy way to tell the difference if your stones scratch easily then they are more than likely dyed Howlite. Howlite is a white mineral that can be dyed to look exactly like Turquoise. Cerrillos turquoise mining area is between Santa Fe and Albuquerque New MexicoIt is one of the most famous prehistoric mining districts in the American Southwest.

The even blue color of the cabochon on the right would be called Persian blue in the trade. Fine-quality turquoise is sought after around the world by designers of unusual jewelry pieces. This next test is known as a destructive test.

Turquoise Mountain Kingman Az Slab. Persian Turquoise does not have a matrix and some people refer to any turquoise stone does not have the black or brown veining commonly found in turquoise mined in the United States as Persian Turquoise The main thing to look for other than. Also feel free to click on any picture for a larger view.

This is one way to identify uncoated natural turquoise. Number 8 is also known for its unusually large nuggets the largest of. Another staple of today.

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