보석 뉴스

sterling silver wholesale usa Natural precious beryl

게시 ~에 의해 Kingjy

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, 노란색, 분홍색, 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. 굴절률은입니다 1.57-1.58, and the birefringence index is 0.005.

The red noble beryl (Morganite) has a color ranging from pink to purple, with a relative density of 2.71 에게 2.90. Inferior quality (색상 차이) can be improved by heat treatment at 400℃. The main origins of this type of gemstone are Afghanistan, 브라질, 중국, 마다가스카르, Mozambique, Namibia and the United States. 현재, 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, 미국, 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, 중국, 캐나다, Mexico and other countries.

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

 

OEM/ODM 보석 제조업체 디자인 사용자 정의 보석

시작합시다 : mo@kingjy.com

 

광저우 징징 맞춤형 도매 반지 목걸이에 중점 925 보석류,스털링 실버 골드는 18K로 도금되었습니다,14케이,24K 옐로우 골드,화이트 골드와 로즈 골드.,고객의 요구 사항에 따라 레이저 조각으로 로고 브랜드 또는 기타 단어.

월별 생산 능력은 최대입니다 50,000 조각 팔찌 목걸이 귀걸이 링 보석.,보석 체인점,콘센트 상점,보석 도매기,트레이더 및 보석 브랜드 회사,Professional은 고품질의 맞춤형 보석 및 대량 생산을 제공합니다. 925 스털링 실버 보석 서비스.