Topic: How Is the Mineral Corundum Formed
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How is Corundum Formed?
Corundum is a mineral formed as sapphires or rubies. It is the second hardest mineral and is formed in aluminum metamorphic rocks, like marble. Read More »
Source: http://answers.ask.com/Science/Chemistry/how_is_corundum_formed
What too gems are forms of the mineral corundum?
Rubies and sapphires are forms of corundum. Corundum's chemical composition is aluminum oxide. Read More »
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What mineral group is Corundum?
Oxide Read More »
Source: http://wiki.answers.com/Q/What_mineral_group_is_Corundum
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I will give you a site that holdes everything you are looking for. the formula, how it is formed and how it's used and history. instead of cut and pasting a whole bunch of words and bombard you w/info. ;-) Corundum http://www.mineralszone.c...
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Source: http://answers.yahoo.com/question/index?qid=20080109164141AADXlBv
The streak of a Corundum mineral is White.
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Now most miners knew little about how minerals formed, but a lot about extraction the materils they found vluable. Also the word mineral mens something very specific to earth scientists.
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Source: http://answers.ask.com/Science/Chemistry/how_minerals_form
Quartz is mainly made up of silica which is a combination of silicon and oxygen. When the silica is exposed to extreme pressure and heat it will form quartz. Different colors can be produced depending on its impurities. For more information...
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Source: http://answers.ask.com/Science/Chemistry/how_is_the_mineral_quart...
There are two ways that new crystals of minerals grow. Some minerals form when molten rock, called magma below a planet's surface and lava above, cools. Atoms bond together into mineral crystals. Other minerals form when water, that has ato...
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The specific gravity of the mineral corundum, also ruby, is 4.0-4.1.
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Source: http://wiki.answers.com/Q/What_is_the_specific_gravity_of_the_min...
Using the geological Moh's scale of hardness of minerals: 1 - Talc 2 - Gypsum 3 - Calcite 4 - Fluorite 5 - Apatite 6 - Feldspar 7 - Quartz 8 - Topaz 9 - Corundum 10 - Diamond
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Source: http://wiki.answers.com/Q/Which_is_the_hardest_mineral_among_coru...
