What is the turquoise chalk?
With a rich variation of blue -green shades, turquoise is one of the most famous minerals in the world. Geologically speaking, turquoise consists of phosphate and mixture of iron, copper and other metals. It is naturally formed through weathering and oxidation and is found in arid areas around the world, especially in copper -rich soils. It is this copper that contributes blue, while nearby iron bearings add green in different amounts. On the American Southwest and on the deserts of northeast Iran, there are significant turquoise deposits in the American Southwest.
Like other minerals, turquoise is very different in quality. Mining exhausted most of the more valuable degrees of mineral located near the surface. Turquoise chalk is a poor variety that is deeper in the soil. As a result, it is much softer and brittle. On the Mohs scale of hardness, the turquoise chalk is between 2-4, less than 6 higher degrees. It lacks a blue shade that is a mineral. Instead, the turquoise chalk is light blueá or white. May or may not have significant nuts, brown or black spots often associated with native jewelry in the southwest. "Simulated" turquoise is often offered as a turquoise chalk, although it is actually just colored magnesite or other white stone that easily absorbs dye.
Turquoise has been used in jewelry for more than three thousand years. Asians believed it was blessed by Buddha, while in Arab cultures the gem was worn to turn away evil. The native Americans also thought the turquoise was lucky, and earned a large part of their mineral jewelry to bring happiness. The turquoise chalk cannot be used to make jewelry because it is too fragile, but there are ways around this weakness.
The jewelers can stabilize the turquoise by grinding it to the powder and allowing it to soak with clean acrylic; As soon as it hardened, you can color the CAN to increase the blue color or completelyArvila different color. While many people would perceive the turquoise chalk as a cheap knockoff to "real things", there is an advantage to use it as jewelry. For one resistant chemicals as chlorine; In addition, it will not be influenced by the oil in the skin of the wearer who can change the color of natural turquoise over time.