Besides the Burmese and Sri Lankan mines, good quality sapphires are found in Cambodia, Madagascar, Thailand, Australia, USA, Nigeria and Kenya. === === What is in a sapphire
Sapphire is a form of aluminum oxide - alpha Al2O3.
Aluminium isn't a mineral (it doesn't occur naturally). Perhaps you are thinking of alumina, which does have transparent mineral forms called corundum (ruby, sapphire, padparadscha).
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No, but it is an element found in many minerals.
Aragonite is a carbonate mineral it is a polymorph of the more common mineral calcite, it is mainly found in animal's shells.
Sapphire is a variety of corundum.
Ruby and sapphire are both gem varieties of the mineral corundum, an aluminum oxide.
Sapphire is gem quality corundum, which is a mineral.
The mineral corundum.
Sapphire is a form of the mineral corundum.
No, sapphire is not a silicate. Sapphire is a variety of the mineral corundum, which is composed of aluminum oxide (Al2O3). Silicates are minerals that contain silicon and oxygen as their main components, such as quartz and feldspar. Sapphire belongs to the oxide mineral group, not the silicate group.
Sapphire is a gemstone version of the mineral corundum.
A sapphire gem is mainly composed of the mineral corundum and other trace mineral impurities that give it its color.
Sapphire is a variety of the mineral corundum and is not classified as rocks are.
Corundum.
The mineral sapphire value is 12 dollars per pizza
Sapphire is a gem-quality variant of the mineral corundum.