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the mineral that has a hardness of 7 is "Quarts
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∙ 11y ago
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How do you identify a mineral or crystal?
You can use hardness(Moh's Hardness Scale), luster, shape, and fracture to identify quartz.
How is quartz classified igneous metamorphic or sedimentary hardness luster cleavage etc?
A group of minerals are called a rock, Quartz isn't a rock, it's a mineral. It has a hardness of around 7, it doesn't have cleavege but has a conchoidal fracture.
Is quartz a mineral or an ore?
quartz is a mineral
What mineral can't scratch quartz?
Anything under the 7 of the Moh's Hardness Scale, which is the number assigned to quartz. Minerals that can scratch quartz include topaz, corundum and diamond - pretty much everything else won't scratch it.
How does mineralogist identify the hardness of a mineral?
Minerologists identify mineral harness with a variety of tools. In order of hardness, they gnerally use their fingernails, nails, copper pennies, knife blades, glass, porcelain and other minerals such as quartz, topaz, corundum and diamond. The Moh's Hardness Scale gives a list of minerals in order of hardness with talc being the softest with a rating of "1" and diamond the hardest at a "10".
What mineral has a hardness of seven?
Quartz
What kind of mineral can scratch quartz but not diamond?
According to the Mohs scale of hardness, Diamond has a hardness of 10 and Quartz has a hardness of 7. Any mineral with a hardness greater than 7 can scratch quartz and diamond can scratch any mineral with a hardness less than 10. Corundum (hardness of 9) and Topaz (hardness of 8) are two examples of minerals that can scratch quartz but not diamond.
What mineral is used as an example of that hardness on Mohs hardness scale?
Talc Diamond Quartz
What mineral can scratch feldspar but not quartz?
There is no mineral that would satisfy the question. If a mineral is able to scratch feldspar, it would have a Mohs hardness of 6 or above. Fluorite is rated as a 4. It would be impossible for a mineral which scratches feldspar to be unable to scratch fluorite.
Will the mineral topaz scratch quartz or will quartz scratch topaz Why?
topaz has a hardness of 8 on the mohs hardness scale, quartz has a hardness of 7. topaz will be able to scratch quartz, but quartz can never scratch topaz.
What is the hardness of an unknown mineral that scratches glass but will not scratch quartz?
6.0
Are quartz and diamonds very soft minerals?
No. Quartz is harder than steel (based on the Mohs scale of mineral hardness), and diamond is THE hardest mineral.
How do you identify a mineral or crystal?
You can use hardness(Moh's Hardness Scale), luster, shape, and fracture to identify quartz.
Describe what would happen if you rubbed a mineral with a mohs hardness value of 7 against a mineral with a value of 5?
The 5 hardness mineral would like suffer scratches or abrasion.
Can quartz scratch corundum?
According to the Mohs scale of mineral hardness, quartz (7) will not scratch any mineral with a higher number on the scale. Corundum is listed at 9. Therefore quartz will not scratch corundum, but corundum can scratch quartz.
What is the Hardness of pyrite on mohs hardness scale?
The hardness of the mineral pyrite, or Fool's Gold, is about 6 on the Mohs hardness scale. That's a little harder than a steel knife blade, but not as hard as the mineral quartz
What is the hardness of rose quartz?
On the Mohs scale, rose quartz has a hardness of 7.0. Rose quartz is a mineral found in different parts of the world, including Madagascar and India. The Mohs scale is used to measure a minerals' hardness or scratch resistance.
