"The most common places known for good quality turquoise are Iran (Persia), Egypt, Northwest China, Mexico and the southwestern part of the United States. Although there can be mines found in many states, Colorado, New Mexico, Arizona and Nevada are the most common places where you will find them.
While Turquoise mineral deposits have been found in many Australian states, including New South Wales, Northern Territory, Queensland, South Australia, Tasmania, Victoria, and Western Australia, these extremely limited occurrences do not produce high quantities or good qualities, with most specimens incapable of being ...
Lander Blue Spiderweb Turquoise is some of the rarest Turquoise on earth and in high demand, Buyers must beware of impersonators, the highest grade of Chinese Spiderweb Turquoise is often sold as Lander Blue Turquoise, it takes an experienced professional to detect true Lander Blue Turquoise.
Turquoise commonly occurs in veinlets penetrating weathered, aluminum - rich, sedimentary or volcanic rocks (where it has been deposited near the surface from circulating phosphatic waters) in arid climates, and in small, fine-grained, rounded masses and crusts.
Turquoise, in its rarest and rawest form, is not simple to find. In fact, the December birthstone has only increased in value as demand has skyrocketed.
Less than 3% of the turquoise available on the market today is totally natural. Due to the decrease of natural turquoise being found in mines across the world, it is very rare to see totally natural and 100% untreated turquoise available to buy in beads or cabochons for jewellery making.
By definition of rarity (not market size) turquoise is rarer than diamonds. Diamonds deserve their place in the world of gemstones as a commerce gemstone. They are an easy gemstone and subject to learn about and grade.
The scratch test is one of the oldest and most reliable methods for identifying real turquoise. True turquoise typically possesses a remarkably hard surface that is resistant to scratches. Conducting a scratch test can help differentiate between real turquoise and imitations.
Turquoise is an opaque, blue-to-green mineral with the chemical formula CuAl6(PO4)4(OH)8·4H2O, a hydrated copper and aluminum phosphate. It is common and useful in higher grades and has been appreciated for thousands of years as a gemstone and ornamental stone due to its distinctive shade.
Turquoise, a stone ranging in color from blue to green to yellow, is filled with wonderful patterns of brown and black matrix that are composed mainly of copper deposits.
High-Quality Turquoise
The highest quality turquoise (clear color, low porosity, no matrix) ranges from $1,500 to $25,000 per gram. To put this into perspective, gold is roughly $60 per gram. Blue Lander spiderweb turquoise also falls under this category. Blue Lander was a turquoise mine located in Nevada.
Your turquoise turning green is a good sign, as real turquoise gemstones turn green over time. Turquoise gemstones are porous and absorb oil and water, which causes discoloration over time.
Turquoise has been mined all over North America for hundreds of years, but its richest deposits have always been found primarily in the southwestern states of Arizona and Nevada. California has also been a popular source of the opaque blue gemstone over the years, with mines found in San Bernardino and Inyo Counties.
SAPPHIRES FROM AUSTRALIA
The rough is usually sorted at the mine offices and sold directly to Thai buyers in the fields. The iron-rich Australian sapphires are predom- inantly blue (90%), with some yellow, some green, and a very few parti-colored stones.
Blue sapphire is some of the most notable sapphire Australian gemstones found in Australia. The country also has rich resources of Parti Sapphires which combines both yellow and blue shades.
Sapphire. It might come as a surprise but Australia has been a major source of sapphires for quite some time with very productive mines found in northern New South Wales and central Queensland. Most of the sapphires found in Australia are blue but green and yellow examples have also been found.
Turquoise is one of four birthstones for December. It has a lengthy history, dating back to ancient civilization to 5000 B.C. and used by Native Americans in jewelry wearing up to 200 B.C. It is a copper ore and one of the oldest known materials. Some experts think turquoise is the first gemstone ever mined.
Quick Summary: Turquoise is a valuable and a rare gemstone. Its starting price per carat starts for $3 to $5. However, some high quality Turquoise can be much more valuable with it exceeding the price of $1,000 to $1,500. Turquoise got its name after its enchanting color and has been mined around for a long time.
Turquoise is a lucky stone for the planet Jupiter. It is also a substitute for 'Yellow Sapphire gemstone'. It is the zodiac stone for Sagittarius. It is the birthstone for December born people.
Can you shower with a turquoise jewel? As mentioned before, water and humidity are not recommended. This mineral from dry and arid environments will absorb liquids and chemical products (water, soap, cream, ...) and the colour will be altered.
Heirloom-quality turquoises are rare, and therefore considered to be extremely valuable. Such stones are prized for their intense, medium blue color, which is often compared to the blue hue seen on the robin's eggs.
Chrysocolla, the king of carbonate copper gemstones, is an alluring, vivid blue-green color and is often mistaken for turquoise because they share many visual similarities.
Painite : Not just the rarest gemstone, but also the rarest mineral on earth, Painite holds the Guinness World Record for it. After its discovery in the year 1951, there existed only 2 specimens of Painite for the next many decades. By the year 2004, there were less than 2 dozens known gemstones.
The Rarest Birthstones
For example, April's diamond, though pricey, is less rare than rubies, emeralds, and alexandrite. While on the topic of alexandrite, this is currently the rarest gemstone on the birthstone list and can come at quite a cost. Black opals are also incredibly rare.
Musgravite was first discovered in Musgrave Ranges, Australia, and later found in Madagascar and Greenland. Musgravite is a member of the taaffeite family of minerals and the separation between the two is based on magnesium content. What makes it so rare? Musgravite is considered the rarest crystal in the world.