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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.
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What mineral can scratch glass but not steel file?
n
What will scratch serpentine and what does not scratch it?
The Mohs hardness of serpentine is 2,5-3; it a soft mineral. Not scrached by a graphite pen; scratched by fingernail, copper etc.
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.
What is the only thing that can scratch a diamond?
The only thing or mineral that will scratch diamond is another diamond. Scientists use a penny nail and fingernail to see what number it is. On a scale measured from 1-10 diamond is 10 ranked as hardest mineral, so nothing scratches diamond except diamond.
How would you test a mineral to find out what it is?
Begin by taking a look at the mineral's color, Examine the mineral and take note of its surface features,Get out the materials needed for the hardness test (see Things You'll need), The number is the hardness, followed by the characteristics of a mineral of that hardness and an example, Next find out your mineral's luster,Now for the streak test, You can also identify a mineral by the way it breaks. If it breaks along a smooth, flat surface (such as mica), it has cleavage. If your mineral breaks along rough, jagged surfaces, it has fracture. Thats all you need to do.
What mineral is used to perform a scratch test?
Bold
What is the difference between a scratch test and a streak test?
a streak test is a test wheree you rub a mineral across a streak plate to see the color of its streak, which is a better indentifying factor of the mineral than the external color. A scratch test is when you scratch a mineral to find out its hardness on the Mohs Scale of Hardness. This is also another useful identifying factor
What is the purpose of a scratch test?
The scratch test is used for identifying minerals.You simply get a hard, white surface, and scratch the mineral on it.
What is it called when you perform a scratch test on a mineral?
It is called a streak and its purpose is to find the hardness of the mineral.
What type of mineral property is tested by the scratch test?
the anwers is hardness because a have a sience book that it says the same thing
What is a way to identify minerals?
The scratch test, use a series of mineral with known hardness and scratch the mineral. From softest to hardest, and note where a scratch is made. You can also look for distinctive physical characteristics.
How do you estimate the hardness of a mineral that i'snt on the mohs scale?
By undergoing scratch test.
How is mineral hardness tested?
Mineral hardness is tested on a glass plate or usually a finger nail.
What kind of mineral will scratch a mineral?
A harder mineral will scratch a softer one.
What kind of test is it when you scratch a mineral with a nail?
Most likely you would be testing to see if the mineral was harder or softer than the nail.
What is the characteristic of a mineral that is revealed by testing what substances can scratch it and what the mineral can scratch?
it is hardness
What is the only mineral that can scratch corundum?
Diamond is the hardest mineral and is the only one that can scratch corundum. but in my opinion corundum will scratch corundum any mineral of the same hardness will scratch the other !
