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Chalk is a sedimentary rock composed primarily of Calcium Carbonate. Calcium carbonate is also the number one mineral at the Marble spec. Hardness of Chalk is around 3 Mohs. Granite stay at the number 7 at the Mohs scale and Granite is harder than Marble. Granite is mostly composed by feldspat (christal).
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What is the hardest rock between granite and marble?
Granite is generally considered to be harder than marble. Granite is a very hard, durable rock composed mainly of quartz, feldspar, and mica, while marble is a softer rock primarily made of calcite. This difference in composition gives granite greater resistance to scratching and other forms of wear compared to marble.
Chalk is an example of what kind of rock?
Chalk is a form of limestone, a sedimentary rock.
Why can you use chalk to write on the blackboard but not granite?
Chalk is softer than the slate (real or artificial) used on blackboards, so it will flake off as you write. Granite is harder than slate and will not flake, but rather cut into or mark the slate permanently.
What type of rock is Plymouth rock?
Plymouth Rock is an igneous rock, specifically a glacial erratic. It is made of a type of granite called Dedham Granite.
Is granite an example of an igneous rock?
Yes, granite is an example of an igneous rock.
What is the hardest rock between granite and diamond?
The harder rock is diamond
Which is the hardest rock diamond sand stone marble granite?
Diamond
What stone is the hardest stone?
Diamonds is not a stone it's crystal actually. But the hardest stone is granite stone.
What is the hardest rock between granite and marble?
Granite is generally considered to be harder than marble. Granite is a very hard, durable rock composed mainly of quartz, feldspar, and mica, while marble is a softer rock primarily made of calcite. This difference in composition gives granite greater resistance to scratching and other forms of wear compared to marble.
Is chalk a hard or a soft rock?
Chalk is a hard rock, with large lines of weakness so will erode by physical weathering and the sea.
Chalk is an example of what kind of rock?
Chalk is a form of limestone, a sedimentary rock.
Is granite a igneous rock?
Yes, granite is a type of igneous rock.
What is the mineral composition of granite?
the mineral composition of granite isfeldspar,diamond,talc,chalk and other plutonic rocks
Are one of these correct Rock Chalk Jayhawks Go KU or Rock Chalk Jayhawk KU?
It's Rock, Chalk, Jayhawk KU!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
What is the rock that makes up white cliffs of dover?
chalk
Why can you use chalk to write on the blackboard but not granite?
Chalk is softer than the slate (real or artificial) used on blackboards, so it will flake off as you write. Granite is harder than slate and will not flake, but rather cut into or mark the slate permanently.
What is the hardest mineral in granite?
The hardest mineral in granite is typically quartz, which has a Mohs hardness of 7. Quartz is harder than the other common minerals in granite, such as feldspar and mica. This hardness contributes to the overall durability and strength of granite as a natural stone.
