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Corundum typically exhibits a vitreous to subadamantine luster. This means it has a glassy appearance, though it can also have a slightly more reflective quality akin to that of diamonds in certain conditions. The luster can vary slightly based on impurities and the specific form of corundum, such as sapphire or ruby. Overall, its luster contributes to its appeal as a gemstone.
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How can you tell Talc and corundum apart?
Talc and corundum can be distinguished primarily by their hardness and appearance. Talc is the softest mineral on the Mohs scale, with a hardness of 1, while corundum is much harder, rated at 9. Additionally, talc typically has a greasy feel and a pearly luster, whereas corundum has a more glassy appearance and can be found in various colors, including blue (sapphire) and red (ruby). Visual observation of these characteristics, along with a simple scratch test, can help differentiate the two.
What is the plural of corundum?
Corundum.
Which crystal system does corundum have?
Corundum is in the trigonal crystal system.
What does corundum feel like or look like?
Corundum is a hard and tough mineral that typically feels smooth and dense. It often has a distinct vitreous luster and can range in color, with common varieties being red (ruby) and blue (sapphire). When cut and polished, corundum can appear transparent and exhibit strong brilliance.
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 !
Does corundum have metallic submetallic or non metallic luster?
Corundum's luster is metallic.
What is the luster of corundum?
The luster of the sapphire is vitreous or adamantine.
What is a rubys luster?
Ruby (corundum) has a vitreous or glassy luster.
What are the eight ways to identify corundum?
THE EIGHT WAYS TO I.D. A MINERALThe eight ways to identify a mineral such as corundum are 1 hardness 2 crystal shape 3 special features 4 density 5 streak 6 luster 7 cleavage or fracture 8 color. (to find out hardness look up "Mohs scale of hardness" everything else you could search it on google or bing)
How can you tell Talc and corundum apart?
Talc and corundum can be distinguished primarily by their hardness and appearance. Talc is the softest mineral on the Mohs scale, with a hardness of 1, while corundum is much harder, rated at 9. Additionally, talc typically has a greasy feel and a pearly luster, whereas corundum has a more glassy appearance and can be found in various colors, including blue (sapphire) and red (ruby). Visual observation of these characteristics, along with a simple scratch test, can help differentiate the two.
What is the plural of corundum?
Corundum.
Is corundum hexagonal or cubic?
Corundum ( (Al_2O_3) ) is hexagonal in crystal structure.
Which crystal system does corundum have?
Corundum is in the trigonal crystal system.
Does garnet have a metallic or non metalic luster?
Ruby cannot be considered either as it is not an element. It is primarily made of corundum, which is a compound of aluminum (a metal) and oxygen (a nonmetal).
What important uses does corundum have?
Corundum is used for jewlery
What does corundum feel like or look like?
Corundum is a hard and tough mineral that typically feels smooth and dense. It often has a distinct vitreous luster and can range in color, with common varieties being red (ruby) and blue (sapphire). When cut and polished, corundum can appear transparent and exhibit strong brilliance.
Are there any minerals in a sapphire?
Sapphire is a mineral itself. It is the blue variety of the mineral corundum. Sapphire is a very hard mineral at a 9 on the Mohs scale of 1 - 10. Sapphires usually have a glassy luster which makes them perfect for jewelry. They can also be colors other than blue; however, sapphires are never red. The red variety of corundum is a ruby.
