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Can quartz be scratched by a penny?
No. According to Mohs Hardness Scale, Quartz has a hardness of 7 while copper has a hardness of about 3. The higher number indicates a greater hardness.
What minerals would scratch fluorite - talc quartz or calcite?
Fluorite with a Mohs hardness of 4 would be scratched by quartz (with a hardness of 7). Both calcite (Mohs hardness 3) and talc (Mohs hardness 1) are softer than fluorite.
How does smoky quartz form from quartz?
during heat prusure and time it changers from quartz to smoky quartz
Is scratched an adjective?
it depends on ehat kind of sentence it is in for example She scratched the her phone. (scratched a verb) in the sentence: He out the scrathed pocket in his pocket. (scratched is an adjective)
Would You find fossils in quartz?
Quartz is a mineral not a rock. Fossils can be found associated with quartz in sedimentary rock not inside the quartz.
Can apatite be scratched by quartz?
Quartz is harder than apatite, quartz being a 7 on the Mohs mineral hardness scale and apatite being a 5.
Which mineral will scratch glass but will be scratched by a nail?
quartz
Can hematite be scratched by a nail?
It can be scratched by a diamond, corundum, topaz, and quartz.
What is pyrite scratch?
It can be scratched by a diamond, corundum, topaz, and quartz.
What can be scratched by glass but not a penny quartz apatite topaz or gypsum?
topaz
What mineral is not scratched with feldspar and the mineral doesn't powder or wear down the feldspar?
Quartz
Can quartz be scratched by a iron nail?
Generally no; it's a handy field guide to try scratching crystals with a knife blade. Quartz isn't scratched, calcite is.
How can you tell if a mineral can scratch another mineral?
the softer mineral can be scratched by a harder mineral. Ex: talc is 1 and quartz is 7 so quartz can scratch talc
Which minerals on Mohs' hardness scale can be scratched by quartz?
Othoclase, apatite, fluorite, calcite, gypsum, and talc.
Can quartz be scratched by a penny?
No. According to Mohs Hardness Scale, Quartz has a hardness of 7 while copper has a hardness of about 3. The higher number indicates a greater hardness.
What mineral cannot be scratched by anything but quartz?
There is none because diamond is at the top of the scale so it can scratch anything.
What is mohs scale of hardest and equivalent easy test?
from 1 to 10, talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, diamond. e.g hardness 6 will scratch or abrade apatite but will be scratched or abraded by quartz
