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Depends on if it's gem quality or commercial grade, and color and place of origin.
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∙ 13y ago
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Does corundum have metallic submetallic or non metallic luster?
Corundum's luster is metallic.
What are the varieties of Corundum?
Corundum comes in just about every color of the rainbow. Every color but red is considered sapphire. Red corundum is the mineral that forms rubies.
Is corundum a gemstone?
Yes, corundum is a gemstone. It is one of the hardest minerals on Earth, second only to diamond, and is the mineral form of aluminum oxide (Al2O3). Corundum occurs in a variety of colors, but the most well-known gem-quality varieties are ruby and sapphire, which are both forms of corundum. Ruby is the red variety of corundum, while sapphire encompasses all other colors of corundum, including blue, yellow, pink, purple, green, and colorless. Corundum is highly valued for its durability, beauty, and rarity, making it a sought-after gemstone for jewelry.
What is the relation between rubies and sapphires?
Rubies and sapphires are both gem-quality variants of the same mineral: corundum. The only difference is in color. Red or pink corundum is ruby. Corundum in other colors is sapphire.
Is corundum a mineral or a rock?
It is a Mineral
What is the plural of corundum?
Corundum.
Is corundum magnetic?
Small traces of iron are responsible for much of the color found in corundum (saphire) gems. Ruby, however, does not contain iron and will not be affected by a magnet. To be technical however, I should point out that corundum is not magnetic. Corundum will not attract other pieces of iron to itself (as far as I know). To simply answer that corundum is not magnetic would have been misleading.
Why is corundum magnetic?
Corundum is not magnetic.
Is corundum hexagonal or cubic?
Corundum ( (Al_2O_3) ) is hexagonal in crystal structure.
What is the value of corundum?
The value of the mineral corundum will vary according to its appearance. Gem quality corundum is highly valued. Non gem quality corundum has many industrial uses and is much less highly valued.
What important uses does corundum have?
Corundum is used for jewlery
What do you call a red corundum?
Red corundum is called ruby.
What is the chemical name for corundum?
Corundum is aluminium oxide, Al2O3.
What are facts about the mineral corundum?
Pure corundum is clear in color.
Which crystal system does corundum have?
Corundum is in the trigonal crystal system.
What is the only mineral that can scratch corundum?
Diamond is the hardest mineral and is the only one that can scratch corundum. but in my opinion corundum will scratch corundum any mineral of the same hardness will scratch the other !
What do they call red corundum?
Red corundum is called ruby.
