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Is ruby a type of crystal?
No, Ruby is not a type of crystal like quartz or amethyst. Ruby is a precious gemstone made of red corundum, a mineral form of aluminum oxide. It is prized for its deep red color and often used in jewelry.
What is a mineral with a hardness of 9?
Corundum is a mineral with a hardness of 9 on the Mohs scale. It is used as an abrasive and is also the mineral form of aluminum oxide. Sapphire and ruby are gem varieties of corundum.
What does it mean when a mineral can scratch another mineral?
When a mineral can scratch another mineral, it means that the mineral is harder than the mineral it can scratch. Hardness is a measure of a mineral's resistance to being scratched, with the Mohs scale commonly used to rank minerals based on their hardness.
What are the important uses for the mineral ruby?
Ruby, the gem variety of the mineral corundum, is one of the most valued gemstones known. Fine rubies are far rarer and command higher prices than diamonds. Rubies have been used for bearings in watchmaking, and we see the application of corundum in abrasives.
Is there a different mineral that can be used if you run out of rubies?
It is OK, rubies are easy to make artificially as they are made out of Aluminium Oxide. However there is one particular gem mineral (Spinel) that looks like ruby and some of the world's most famous rubies are not rubies but Spinels. eg. the Black Prince's Ruby and the "Timur ruby" in the British Crown Jewels are in fact spinels.
How do you determine the hardness of a mineral and what methods are used for testing it?
The hardness of a mineral is determined using the Mohs scale, which ranks minerals from 1 (softest) to 10 (hardest). This scale is based on the ability of a mineral to scratch another mineral. To test the hardness of a mineral, various methods can be used, such as scratching it with a known mineral or using a tool like a hardness testing kit.
Why can diamond cut another diamond?
Diamond grits can be joined together by an adhesive to form diamond blade. This diamond blade can be used in cutting or polishing another diamond. Diamond is the hardest mineral known and is the only mineral hard enough to cut another diamond.
How Which property might you test by rubbing one minerals directly against another and?
You can test the hardness of minerals by rubbing one mineral against another. This method helps determine which mineral is harder based on whether it scratches the other. The Mohs scale of mineral hardness is often used to classify minerals based on their ability to scratch one another. For example, if a mineral can scratch a known mineral like talc (hardness 1), it is likely harder than talc.
What type of mining is used when mining for ruby?
Ruby Mining
Is a ruby a gem?
Yes, a ruby is a gemstone. It is a type of mineral called corundum, which is composed of aluminum and oxygen. Rubies get their red color from the presence of trace amounts of the element chromium. Rubies are highly valued as gemstones for their intense red color and their rarity. They are often used in jewelry such as rings, necklaces, and earrings, and are considered one of the four precious gemstones along with diamonds, sapphires, and emeralds.
What is mineral augite used for?
It is used for cermonics, mineral coolecting and glazing. :)
What is the streak for a mineral used for?
identifying the mineral
