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Sapphire Quality Chart

Sapphire Quality Chart - Explore the significance of sapphire in jewelry. The sapphire is a rare and precious gem representing beauty and resilience. Sapphire, transparent to translucent, natural or synthetic variety of corundum (q.v.; Explore sources, gemological research, and the role of gems in history. Sapphires are super cool rocks that come in many colors and forms, known as the different types of sapphire. Discover why sapphire remains a timeless choice. Find value guidelines, scientific data, expert comments, and more in our gem listings. Aluminum oxide, al2o3) that has been highly prized as a gemstone since about 800 bc. Blue sapphires range in size, and large blue sapphires are more readily available than large rubies. Sapphire is a precious gemstone comprised of the mineral corundum and.

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