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Is chalk harder than limestone?
No, limestone is harder than chalk. Limestone is a sedimentary rock composed mainly of calcite, whereas chalk is a soft, porous sedimentary rock composed mainly of calcium carbonate.
Chalk is an example of what kind of rock?
Chalk is a form of limestone, a sedimentary rock.
What is an example of a gypsum?
Rock gypsum is a sedimentary rock. These rocks can be transparent or opaque. Examples could be chalk and chalk boards.
Which rock is the hardest granite or chalk?
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).
Why are the Dover cliffs white?
The Dover cliffs are white because they are made up of chalk, a type of soft, white limestone rock that is common in the area. The white color comes from the high concentration of calcium carbonate in the chalk, which gives it its distinctive appearance.
What rock is a soft sedimentary rock?
Chalk
Which rock is so soft that you can write with it?
Chalk
Is old harry made out of soft rock or hard rock?
Hard rock, an example of soft rock is Barton-on-sea.
What is the common name for a chalk?
The common name for a chalk is simply "chalk". It is a soft, white, porous sedimentary rock used for writing or drawing on blackboards or sidewalks.
What is the physical property of chalk?
Chalk is a soft, porous sedimentary rock composed mainly of calcium carbonate. It has a smooth texture and is easily pulverized into fine particles.
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.
Is chalk harder than limestone?
No, limestone is harder than chalk. Limestone is a sedimentary rock composed mainly of calcite, whereas chalk is a soft, porous sedimentary rock composed mainly of calcium carbonate.
What is a rock that is white and harder than chalk called?
A rock that is white and harder than chalk is likely to be marble. Marble is a metamorphic rock that is formed from limestone under high pressure and heat, making it harder and more durable than chalk, which is a soft sedimentary rock.
What types of rocks are there?
classic rock, alterlative, hard rock, soft rock, To be specific talk kinda like chalk,amethyst nice and sparkly and more!!!
Why are fossils not found in chalk?
Chalk is a fossil itself and chalk is soft, and so while you might form a fossil; in it, it would not remain. Within chalk there is often harder rock - which sometimes does contain fossils.
What rock type is in the River Tillingbourne?
Chalk, sands, clay, and glacial drift can all be found in an around the River Tillingbourne.
Does chalk mean slate?
No. Chalk is a soft carbonate sedimentary rock whereas slate is a fissile rock with a pronounced cleavage formed by the metamorphism of fine grained sedimentary rocks containing clay minerals. Chalk (the soft white mineral used in marking on a slate or blackboard) is actually now commonly made from gypsum but in the past was actully composed of calcitic chalk.
