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sterling silver wholesale usa Natural precious beryl

’' te gönderildi Kingjy tarafından

In addition to the green that does not have emeralds and the blue of aquamarine, natural noble beryl exists in the earth’s crust in various other colors, especially gold-yellow, yellow-green, yellow, pembe, wine red and colorless colors. For common.

Natural precious beryl has a glassy luster, sometimes showing a cat-eye effect. It is very sensitive to external pressure and vibration.

Natural precious beryl will change to the color of aquamarine when heated to 440～500℃.

Noble beryl was discovered in Namibia in 910. When heated to 440-500°C, it will change to the color of aquamarine. The refractive index is 1.57-1.58, and the birefringence index is 0.005.

The red noble beryl (Morganit) has a color ranging from pink to purple, with a relative density of 2.71 ile 2.90. Inferior quality (renk farkı) can be improved by heat treatment at 400℃. The main origins of this type of gemstone are Afghanistan, Brezilya, Çin, Madagaskar, Mozambique, Namibia and the United States. Şu anda, synthetic pink beryl has appeared on the market.

The color of the golden precious beryl varies from lemon yellow to golden, and will lose its color when heated above 250°C. Its main producing areas are Madagascar, Zambia, Sri Lanka, Nigeria and other countries.

The red precious beryl has a strawberry-like red color. It is produced in Utah, Amerika, and the price is extremely high.

Goshenite This gem has a refractive index of 1.58-1.59 and a birefringence index of 0.008. It is produced in Brazil, Çin, Kanada, Mexico and other countries.

This gemstone is also used in the production of jewelry because of its gorgeous color and attractiveness.

 

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