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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with trace amounts of elements such as iron, titanium, ...
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Sapphire Software is an internet based, state-of-the-art administrative tool designed by K12 Systems. The modules in the Sapphire Suite bring together ...
Sapphire is a precious gemstone comprised of the mineral corundum and trace elements like iron, titanium, cobalt, boron, or silicon.
Sapphire
Gemstone
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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with trace amounts of elements such as iron, titanium, cobalt, lead, chromium, vanadium, magnesium, boron, and silicon. Wikipedia
Hardness (Mohs hardness scale): ≥ 9
Associated month: September
Chemical formula: Al₂O₃
Refractive index: 1.76 – 1.77
Luster: Vitreous and Adamantine
Density: 3.98 g/cc
The rare, blue Kashmir sapphire commands the highest prices, sometimes over $200,000 a carat. Other unheated, pure blues can sell for $2,000-$10,000 per carat ...
Sapphire is one of the Big three of jewelry colored gemstones—the other two are ruby and emerald. A durable stone that's designated as a birthstone for ...
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Apr 28, 2023 · The sapphire has, for centuries, been seen as a symbol of the heavens, a guardian of innocence, a bestower of truth, a promoter of good health, ...
Search through our unique sapphire selection that features hundreds of sapphires in every color imaginable! Choose between gold, peach, ...
Chambersburg Area School District. Welcome to the Sapphire Community Portal. ... Forgot your password? ... TO CREATE A PORTAL COMMUNITY ACCOUNT FOR PARENTS OF ...
Sapphires are the gemstone variety of the corundum mineral. The red sapphire variety is called a ruby. Sapphires are mined, and they are also manufactured for ...