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What mineral is ruby formed from? Mineral formed contaning Si and O? How saphire the mineral is formed? What can the mineral sapphire make? How are sapphires formed by nature? Is a sapphire an inoraganic mineral? Where is the mineral sapphire formed?
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wiki.answers.com/Q/How_is_the_mineral_sapphire_formed
wiki.answers.com/Q/How_is_the_mineral_sapphire_formed
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The first U.S. sapphires were found in gravel bars of the Missouri River in Clark and LewisCounties of Montana around 1865. More discoveries followed: Dry Cottenwood Creek in DeerLodgeCounty around 1889, Rock Creek in GraniteCounty around 1892 and Yogo Gulch in JudithBasinCounty around 1895. Other small amounts...
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skywalker.cochise.edu/wellerr/students/montanagem/sapph...
skywalker.cochise.edu/wellerr/students/montanagem/sapphire.htm
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How are sapphires formed, sapphires are gemstones formed of mineral, corundum, aluminum oxide, there is also iron, titanium or chromium. These minerals are what give sapphire there colors. To read more about sapphires visit http://en.wikipe...
http://answers.ask.com/Fashion_and_Beauty/Jewelry/how_a...
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Sapphires are a mineral called corundum. The corundum crystal is composed of aluminum oxide and is formed when exposed to high heat and pressure. It forms formed in igneous rocks like syenite,...
http://www.ehow.com/tag/titanium/
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Fine, needle-like inclusions are what give sapphires their velvety quality. When these inclusions are numerous enough to make the stone translucent or opaque and are oriented properly, they allow light to be reflected in such a way that a star floats across the top of the stone with movement.
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www.cwjewelers.com/stonesapph.htm
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Like many other popular gemstones, sapphires can be created in a laboratory. Some synthetic sapphires are difficult to distinguish from gemstones formed in nature.
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jewelry.about.com/cs/sapphire/a/sapphire_facts.htm
jewelry.about.com/cs/sapphire/a/sapphire_facts.htm
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Natural Sapphire at www.multicolour.com ... Rubies and sapphires are more familiar and cherished by layman than many of the other gem varieties. With a hardness of 9 on Moh's scale, sapphires are extremely hard and second only to diamonds in this respect. Tough and durable, they are suitable for use in any kind of jewelry...
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www.multicolour.com/gemstones/sapphire.html
www.multicolour.com/gemstones/sapphire.html
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The manner in which sapphires are formed in nature depends very much on the location of the deposits. In Kashmir, Burma and in all likelihood, Sri Lanka, they were formed by a metamorphosis of limestone that contained aluminium oxide impurities and other trace elements for colouring.
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www.exero.com/mastergate/secured/fashion/sapphires.htm
www.exero.com/mastergate/secured/fashion/sapphires.htm
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Our Top Ten Reasons to Consider Buying Your Stones from Simply Sapphires! ... Click Here and We'll Try and Convince You!; ... What are White Sapphires?
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www.simplysapphires.com/white.html
www.simplysapphires.com/white.html
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