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What unknown mineral is found to scratch apatite and to be scratched by corundum?
The unknown mineral would be topaz. Topaz lies between apatite and corundum on the Mohs scale, making it capable of scratching apatite and being scratched by corundum.
Which minerals would scratch apatite?
Apatite has a hardness of 5 on the Mohs scale, meaning that minerals with a hardness greater than 5 can scratch it. Examples of such minerals include quartz (hardness 7), topaz (hardness 8), corundum (hardness 9), and diamond (hardness 10). These minerals, due to their higher hardness, can effectively scratch apatite.
What hardness does a mineral have if its scratched by glass?
Somewhere between 3 and 5 on the Mohs scale of relative mineral hardness...
What will scratch calcite?
Using the Mohs Mineral Hardness scale, calcite has a hardness of 3. Hence anything with a hardness of 3 or above can scratch calcite (i.e...quartz and fluorite).
Is apatite a gem or precious medal?
The value of a specimen of yellow apatite would depend on it's clarity and aesthetics, but it could be valuable, yes.
Which mineral would scratch calcite but not apatite?
Fluorite would be able to scratch calcite but not apatite, as fluorite has a higher hardness than calcite but a lower hardness than apatite on the Mohs scale.
What mineral can scratch feldspar but not quartz?
Apatite is a mineral that can scratch feldspar but not quartz. This is because apatite has a higher hardness value than feldspar but a lower hardness value than quartz on the Mohs scale of mineral hardness.
Which mineral will scratch fluorite galena and pyroxene?
Quartz would be able to scratch fluorite, galena, and pyroxene as it is harder than these minerals on the Mohs scale of hardness.
What unknown mineral is found to scratch apatite and to be scratched by corundum?
The unknown mineral would be topaz. Topaz lies between apatite and corundum on the Mohs scale, making it capable of scratching apatite and being scratched by corundum.
Which minerals would scratch fluorite?
Any mineral with a hardness greater than that of fluorite which is 4 on the Mohs scale of hardness. Examples include quartz, orthoclase, garnet, diamond, etc.
What is the hardnessof a mineral that scratches the gypsum but can't scratch fluorite?
Between 2 and 4. Calcite, which has a hardness of 3, is one example.
What would happen if you scratched a piece of fluorite against a piece of feldspar?
Fluorite is harder than feldspar, so scratching fluorite against feldspar would cause the fluorite to scratch the feldspar. This means the fluorite would leave a mark on the feldspar, showing that fluorite is harder than feldspar.
What is the hardness of a steel nail on the Mohs scale?
The hardness of a steel nail is about 4.5 (About the same hardness of the mineral Fluorite.)
What hardness does a mineral have if it does not scratch glass but scratches an iron nail?
The mineral would have a hardness between 5.5 and 6.5 on the Mohs scale. It cannot scratch glass (hardness of about 5.5) but can scratch an iron nail (hardness of about 4). This places it in the range of minerals like orthoclase feldspar or apatite.
Which minerals would scratch apatite?
Apatite has a hardness of 5 on the Mohs scale, meaning that minerals with a hardness greater than 5 can scratch it. Examples of such minerals include quartz (hardness 7), topaz (hardness 8), corundum (hardness 9), and diamond (hardness 10). These minerals, due to their higher hardness, can effectively scratch apatite.
What hardness does a mineral have if its scratched by glass?
Somewhere between 3 and 5 on the Mohs scale of relative mineral hardness...
What would happen if you rubb a pice of florite against a pice of fieldaspar?
Well it would crack then it would get fractured... and if you have any Fluorite and Feldspar try it at home and then scratch it against a tile and watch what happens it looks really cool. i hope this helped you guys!
