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The hardness of clay is the hardness

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Q: What is the hardness of clay?
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Related questions

What is the material in pencils that can write?

Pencil leads are made of a mixture of graphite and clay. The graphite is what makes the marks; the clay hold it together and controls the hardness of the lead.

What diamonds streak?

Diamonds are the hardest substance on Moe's Hardness Scale and as such don't have a determined streak color (since streak is determined usually by a clay tablet of hardness ~3)

Where is clay on the MOHS scale?

The Mohs scale measures the hardness of a mineral. Kaolinite, which is a clay mineral and part of the group of industrial minerals, has a Mohs scale value of 2-2.5.

What is the art and craft of making art from clay?

That would be pottery or sculpture. Wet clay can be molded into practically any shape. When dried with high heat, such as firing in a kiln, it will retain its hardness.

What is the hardness luster and streak color of shale?

Shale is a finely stratified sedimentary rock that formed from consolidated clay. Its color is either gray or black, has a dullish luster and a hardness of 3 on the Mohs scale.

Do you get lead poisoning from eating colouring pencil sharpens?

No you cannot. Lead is not used in pencils, graphite is used instead. Graphite and clay is used and the proportion of graphite to clay is adjusted according to the hardness required.

What is the hardness of clay rocks?

it is completely dependant on the soil above it and the water around it but it is normally pretty hard when damp, gets softer the wetter it is

White clay used in making bone china?

Kaolin is the main type of clay in porcelain. Bone china is a porcelain body that has an inclusion of bone ash, calcined animal bone (calcium phosphate), which adds hardness and translucency.

The hardness of iron?

Hardness is measured in three types viz., Moh's hardness, Brinnel hardness and Vicker' hardness. Hardness of Iron is, 1) Moh's Hardness-4, 2) Brinnel Hardness-490 Mpa, 3) Vicker's Hardness-608 Mpa

What is the degree of hardness or softness of plutonium?

Hardness of plutonium: - Vickers hardness: 255 - Brinell hardness: 242 - Mohs hardness: cca. 3,7

Hardness of chalk?

A piece of chalk has a hardness of one. A human fingernail has a hardness of and a penny has a hardness of 3.5.

What is difference between barcol hardness and Shore A hardness?

what is the difference between Shore-A Hardness & Barcol Hardness

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