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What is MOHRS hardness?
Mohr's scale of hardness is used for minerals found in the earth. It basically refers to the ability of a harder material to scratch a softer material.The Mohr's Scale of hardness defines ten standard minerals on a hardness scale with hardness from 1 to 10, 1 being the softest and 10 being the hardest.The minerals are mentioned below.1. Talc2. Gypsum3. Calcite4. fluorite5. apatite6. Feldspar7. Quartz8. Topaz9. Corrundum10. Diamond'It is used in the following manner,A particular mineral is taken and scratched on the ten minerals mentioned above starting either from the 1 or 10 and based on its ability to produce a scratch on the softer material, its hardness is calculated.
How can minerals be identifed by their physical properties?
Yes
How could you find out whether copper is harder or softer that the plastic used in a plastic cup?
One way to compare the hardness of two materials is to see which of the materials can scratch the other.
Why cant you rely on any single test or property when you are trying to identify a mineral?
Different minerals can share many, but not all, mineral characteristics. Characteristics would include hardness, streak color, crystal shape, reactions to acids, flame tests, density, and others.
Does milk contain starch?
it contains protein,calcium,fat and other minerals
How is the hardness range for a mineral determined?
The hardness range for a mineral is determined using the Mohs scale of mineral hardness, which ranks minerals from 1 (softest) to 10 (hardest) based on their ability to scratch or be scratched by other minerals.
Measure of how easily a mineral can be scratched which is determined b the arrangement of of a minerals atom?
This property is known as the hardness of the mineral. It is determined by the strength and arrangement of atoms within the mineral's structure, affecting how easily it can be scratched by other materials. Hardness is measured using the Mohs scale, which ranks minerals from 1 (softest) to 10 (hardest).
What hardness is radium?
Radium has a hardness of around 1.5-2.5 on the Mohs scale, which is relatively soft compared to many other minerals.
How is the value of a crystaline rock determined?
By levels of hardness, wear, scarcity, clarity and color, and association with other minerals. Also the habit of the mineral.
How do minerals break other minerals?
minerals don't break other minerals yet they can scratch other minerals based on their hardness which is measured by the Mohs scale
How can you determinate the hardness of a mineral?
use it to scratch other solid materials
Why was Fredrich Mohs important?
He originally came up with the scale when classifying a private collection. He classified them by their physical characteristics rather than their chemical composition, using their relative hardness.
What information does the Mohs hardness scale provide about the relative hardness of minerals?
The Mohs hardness scale provides information about the relative hardness of minerals by ranking them on a scale from 1 (softest) to 10 (hardest), based on their ability to scratch or be scratched by other minerals.
What is the difference between a minerals hardness and streak?
Mineral hardness measures a mineral's resistance to scratching, while streak is the color of the powdered form of a mineral. Hardness is determined by the Mohs scale, while streak is identified by rubbing the mineral across a porcelain plate to see the color left behind.
How is the hardness of a mineral determined and what methods are used to measure it accurately?
The hardness of a mineral is determined by its resistance to scratching. The most commonly used method to measure hardness is the Mohs scale, which ranks minerals from 1 (softest) to 10 (hardest) based on their ability to scratch each other. Another method is the Vickers hardness test, which measures the resistance of a mineral to indentation using a diamond indenter.
How many silicate minerals are present in Mohrs hardness scale?
There are numerous silicate minerals present in Mohs hardness scale. Some examples include quartz (hardness of 7), feldspar (hardness of 6), and amphibole (hardness varies based on composition). Each of these minerals falls at different points on the scale, indicating their relative hardness compared to other minerals.
Can minerals and common objects with the same hardness scratch each other?
No, minerals and common objects with the same hardness are not able to scratch each other and leave a mark behind. For example, minerals with a hardness of 2.5 - 3 include gold and silver. Try scratching two pieces of jewellery made of gold and silver. It does not make a mark at all!
