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An unknown mineral scratches apatite and is scratched by corundum. What can you conclude about this mineral and hardness?
The unknown mineral has a hardness greater than that of apatite (which has a hardness of 5 on the Mohs scale) since it can scratch it. However, it has a hardness less than corundum (which has a hardness of 9) since it can be scratched by it. Therefore, we can conclude that the hardness of the unknown mineral is between 5 and 9 on the Mohs scale.
What kind of mineral leaves a greenish-black streak and cannot be scratched by fluorite?
Pyrite
A mineral determined by using fingernailpenny or nail?
A mineral can be tested for hardness using a fingernail, penny, or nail, which are common items that serve as reference points on the Mohs scale of mineral hardness. For instance, a fingernail has a hardness of about 2.5, while a copper penny is around 3.5. If a mineral can be scratched by a fingernail, it is softer than 2.5; if it can be scratched by a penny but not a fingernail, it falls between 2.5 and 3.5. This simple test helps in identifying the mineral's hardness and assists in classification.
What mineral can scratch feldspar and can be scratched by garnet?
The mineral that can scratch feldspar and can be scratched by garnet is quartz. Quartz has a hardness of 7 on the Mohs scale, making it capable of scratching feldspar, which has a hardness of 6. Meanwhile, garnet has a hardness of around 6.5 to 7.5, allowing it to scratch quartz but not all varieties of garnet will scratch quartz.
What is a mineral scratch test?
In 1822 scientist Friedrich Mohs developed a scale to measure the hardness of minerals. A mineral will scratch other minerals softer than itself and will be scratched by minerals that are harder.
A measure of how easily a mineral is scratched?
hardness
What is a measure of easily a mineral can be scratched?
hardness
A mineral that can be scratched easily by all other minerals is?
Talc is the softest mineral and can be scratched by any other mineral.
What is total hardness?
hardness is how easily a mineral can be scratched
The measure of how easily a mineral can be scratched?
The term for this is "hardness".
What mineral is very easily scratched and found in the drywalls of a house?
Gypsum is a mineral commonly found in drywall that is easily scratched due to its low hardness on the Mohs scale of mineral hardness.
What is ment by a meant by a mineral's hardness?
Hardness is the measure of how easily a mineral is scratched.
What property of minerals measures how easily a mineral can be scratched?
Hardness
Which mineral can be scratched by a steel nail?
Calcite is a mineral that can be easily scratched by a steel nail due to its relatively low hardness compared to steel.
What mineral is very easily scratched and found in drywalls of houses?
Gypsum (number 2 on the Moh's Hardness Scale)
What mineral has nonmetallic luster is black and can be scratched by a fingernail?
Magnatite is the mineral that has a nonmatallic luster, is black, and can be scratched by a fingernail.
True false hardness is determined by how easily a mineral can be scratched?
True, hardness is determined by how easily a mineral can be scratched. The Mohs scale is commonly used to measure hardness, with higher numbers indicating greater hardness.
