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What are 2 objects that will scratch fluorite?
Fluorite has a Mohs hardness of 4, meaning it can be scratched by objects with a hardness greater than that. Two common objects that can scratch fluorite are quartz, with a hardness of 7, and topaz, which has a hardness of 8. These minerals are significantly harder than fluorite and will easily leave scratches on its surface.
What is orthoclase hardness on MOHs scale?
Orthoclase has a hardness of 6 on the Mohs scale. This scale ranges from 1 (talc) to 10 (diamond), measuring the scratch resistance of various minerals. Orthoclase, a type of feldspar, can be scratched by minerals with a hardness greater than 6, such as quartz.
What promotes greater hardness in minerals?
Minerals are what cause water to be hard, tap water in east coast(NJ) is harder than tap water in CA. More minerals=harder water
What scale is used to rank the hardness or softness of minerals?
The Mohs Scale of Hardness determines the hardness of minerals by scratching them with commonly found objects. The minerals are assigned a number which corresponds to their hardness; higher numbers indicate higher hardness.
What is a characteristic of minerals that describes the minerals resistance to fractures or scratches?
A characteristic of minerals that describes their resistance to fractures or scratches is called "hardness." This property is commonly measured using the Mohs scale, which ranks minerals from 1 (talc) to 10 (diamond) based on their ability to withstand scratching by other substances. A higher hardness value indicates greater resistance to wear and damage.
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.
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.
What is the scale used to measure the hardness of minerals, and how does the hardness of a mineral affect its properties?
The scale used to measure the hardness of minerals is called the Mohs scale. It ranges from 1 (softest) to 10 (hardest). The hardness of a mineral affects its properties by determining how easily it can be scratched or damaged. Minerals with higher hardness are more resistant to abrasion and have a greater ability to maintain their shape and structure.
How many silicate minerals in the Mohs scale of hardness?
4
What is the hardness of dolomite?
The hardness of dolomite ranges from 3.5 to 4 on the Mohs scale. It is softer than most other minerals and can easily be scratched by harder minerals such as quartz or topaz.
Glass has a hardness of about 5.5 what minerals would scratch the glass?
There are many minerals with hardness above 5.5 but the standard ones are feldspar,quartz, topaz, corundum and diamond.
4 ways to classify minerals?
Color, lustre, hardness, streak
What promotes greater hardness in minerals?
Minerals are what cause water to be hard, tap water in east coast(NJ) is harder than tap water in CA. More minerals=harder water
What scale is used to rank the hardness or softness of minerals?
The Mohs Scale of Hardness determines the hardness of minerals by scratching them with commonly found objects. The minerals are assigned a number which corresponds to their hardness; higher numbers indicate higher hardness.
What does the Mohs hardness scale determine?
The hardness of MINERALS.
What mineral can be scratched by a penny but not a fingernail?
Copper sulfide minerals, such as chalcocite and bornite, can be scratched by a penny but not a fingernail. This is due to the Mohs hardness scale, where these minerals have a hardness greater than a penny (3.5) but less than a fingernail (2.5).
What is the Mohs scale used for, and how does it help in determining the hardness of minerals?
The Mohs scale is used to measure the hardness of minerals. It ranks minerals from 1 to 10 based on their scratch resistance. By comparing the hardness of an unknown mineral to the known hardness of minerals on the scale, one can determine the relative hardness of the unknown mineral.
