Characteristic of Neishabour original turquoise
Neishabour turquoise is one of the most famous and famous turquoises in the world. This stone is known today as one of the souvenirs of Mashhad, the characteristics of turquoise have made it recommended both in religion and science. In a study conducted in Sweden and Belgium, the relationship with stone veins and finding the arrangement of stone veins from one gram up and imagining special shapes on it, affects the regulation of blood pressure and heart rate. And the type of turquoise color is very soothing.
If you want to get fully acquainted with turquoise, it is important to know the history of turquoise. Historical evidence shows that the world's oldest turquoise carved by humans was discovered from a depth of 3.5 meters in 20 kilometers of Neishabour city in Khorasan province of iran, which is located on a 5500-year-old human skeleton belt. . Neishabour turquoise stone is located on the southern slope of Binalood mountain, located 53 km northwest of Neishabour city. The definitive reserve of Neishabour Turquoise Mine is 8671 tons, of which 15 tons are extracted annually.
What does high quality turquoise look like?
The turquoise that is mined in the mine has two parts, which are called earthy locally and rocky. The best turquoise is that it has a sky blue color, but not the sky color around the horizontal, but the sky color, especially towards the top, as well as the turquoise that is a little greenish is also considered a price. Neishabour turquoise jewels can often be identified as counterfeit by the black dots and streaks behind the jewel. Turquoise that has a very light color (choghaleh), turquoise stone that has a completely natural turquoise color (child) and turquoise stone that has spots and many black streaks on it is called Shajari turquoise.
Classification of Neyshabur turquoise types:
Neyshabur turquoises are generally divided into 2 categories: 1- Ajami and 2- Shajari, which also includes the following:
Ajami Turquoise: It is round and coarse and has pure turquoise in garlic blue color, which is the most expensive type of turquoise and is used to make a ring.
Half-colored Ajami turquoise: It is lighter than the previous type.
Arabic Turquoise: Flat turquoise is a garlic blue color and is used to make medals in Saudi Arabia.
Tufal turquoise: It looks like Arabic, but the stone has disappeared and only a layer of turquoise with garlic blue color remains.
Half-colored shingles: It is slightly lighter than shingles.
White Shuffle Turquoise: It has a very light blue color.
Turquoise: It is a round and large turquoise similar to Ajami turquoise, but with a very light color, ie light blue.
Half-colored beads: Relatively large round turquoises to make a ring with a lighter color
Turquoise blossoms: It is a turquoise that is smaller than a flower and has a little turquoise.
Turquoise or soft: Very small turquoise grains and slightly larger than the lens found in ores.
Shajari Turquoise: Striped turquoise is said to be formed by gathering a few turquoise seeds inside a rock together.
Coarse turquoise: It is a relatively large rock in which narrow, scattered and thin veins of turquoise can be seen, which is the best type of Neishabour turquoise.
How to take care of turquoise?
Turquoise reacts to three things that it should never come in contact with: 1- oil, 2- cream, 3- cologne. To clean turquoise, it should not be washed with water because turquoise is one of the most valuable ornamental stones that has many pores, it is better to polish turquoise with soft and clean cotton cloths or leather.
Original turquoise detection method
Good turquoise should not have black and white spots, so in most turquoises, there are white spots that the general public can’t see and only technicians can detect. Turquoise retains its special luster when exposed to moisture, which is why some unscrupulous sellers put turquoise in jars full of wet sand and put it on sale after a while, and the customer sees He buys the beautiful color that Turquoise has found, but unfortunately after a few days, that luster and radiance will disappear.
Fake Turquoise Detection Method
Unfortunately, some sellers lubricate substandard turquoise with oil, although it first polishes the turquoise and its color lasts longer, but the oil causes the death of the turquoise, and therefore, to diagnose poor quality turquoise, the customer It should be slightly exposed to sunlight, and if it changes color slightly, it indicates that its color is fake.