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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.


How does marble differ from limestone there than color?

Hardness, Elasticity, Porosity, Permeability, Density, resistance to diagenesis, conditions of formation. Generalities (this means that in general the following are true and rules don't follow the exception if any exist) Hardness: marble is harder than limestone. It has a higher compressive strength and cohesion. This can get much more technical so let's leave it at that. Elasticity: Young's Modulus, shear modulus of marble is higher. Bulk modulus and poisson's ratio of marble is lower. Porosity of marble is lower. Permeability of marble is lower. Density of marble is higher. Limestone is often altered via fluids and chemical underground and marble isn't. Marble is metamorphic rock and limestone in sedimentary. Marble and Limestone are spelled different.


Why are the textures and weight different from limestone and marble?

The textures and weight of limestone and marble differ mainly due to their mineral composition and formation process. Limestone is primarily composed of calcite and aragonite, giving it a more uniform and softer appearance, while marble is formed from recrystallized limestone with added minerals, resulting in a denser and more varied texture. This difference in mineral content also contributes to variations in weight, with marble generally being heavier than limestone.


Is a soap or marble harder?

Marble is harder than soap. Marble is a type of stone made primarily of calcite, which ranks higher on the Mohs scale of hardness compared to the materials used in soap production.


Is marble harder than shale?

Yes, marble is generally harder than shale. Marble is a metamorphic rock primarily composed of calcite or dolomite, which gives it a higher hardness on the Mohs scale, typically around 3 to 4. In contrast, shale is a sedimentary rock that usually has a hardness of around 2 to 3, making it softer than marble. Therefore, in terms of overall hardness, marble is harder than shale.

Related Questions

What is a form of calcium carbonate softer than marble but harder than chalk?

Limestone is a form of calcium carbonate that is softer than marble but harder than chalk. It is commonly used in construction materials and can be found in different shades depending on the mineral impurities present.


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.


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.


Is chalk harder than rubber?

Chalk is harder than rubber. Chalk is a form of limestone made of calcium carbonate, which is a relatively hard mineral, whereas rubber is a soft and flexible material typically made from natural or synthetic polymers.


Is marble hard or soft?

Marble is a very hard stone. Even though it is harder than limestone it is not as hard as granite.


Why is marble more prone to acid rain than limestone and chalk?

Marble is more prone to acid rain damage than limestone and chalk because marble is made of calcium carbonate but contains higher levels of impurities like iron that react with acid rain and cause greater deterioration. Limestone and chalk have fewer impurities and are more chemically stable, making them more resistant to acid rain.


What is CaCO3 known as other than limestone?

CaCO3 is also known as calcium carbonate, which is a common mineral found in rocks such as limestone, marble, and chalk. It is widely used in industries like construction, agriculture, and pharmaceuticals.


Why can diamonds scratch chalk?

Diamonds are harder than chalk.


How does marble differ from limestone there than color?

Hardness, Elasticity, Porosity, Permeability, Density, resistance to diagenesis, conditions of formation. Generalities (this means that in general the following are true and rules don't follow the exception if any exist) Hardness: marble is harder than limestone. It has a higher compressive strength and cohesion. This can get much more technical so let's leave it at that. Elasticity: Young's Modulus, shear modulus of marble is higher. Bulk modulus and poisson's ratio of marble is lower. Porosity of marble is lower. Permeability of marble is lower. Density of marble is higher. Limestone is often altered via fluids and chemical underground and marble isn't. Marble is metamorphic rock and limestone in sedimentary. Marble and Limestone are spelled different.


Why is marble better for building than limestone?

Bacon


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).


Is marble harder than basalt?

No, basalt is generally harder than marble. Basalt is a mafic extrusive rock that has a higher hardness and durability compared to marble, which is a metamorphic rock.