Definition of Mohs scale

1. Noun. A scale of hardness of solids; talc is 0 and diamond is 10; ordering is determined by which substance can scratch another substance.




Medical Definition of Mohs scale

1. A qualitative scale in which minerals are classified in order of their increasing hardness, based on the fact that the harder of two materials will scratch the softer and will not be scratched by it. The scale lists 15 substances: 1, talc; 2, gypsum; 3, calcite; 4, fluorite; 5, apatite; 6, orthoclase, periclase; 7, vitreous pure silica; 8, quartz, stellite; 9, topaz; 10, garnet; 11, tantalum carbide, fused zirconia; 12, fused alumina; 13, silicon carbide; 14, boron carbide; 15, diamond. Synonym: Mohs scale. (05 Mar 2000)

Mohs Scale Pictures

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Lexicographical Neighbors of Mohs Scale

Mohole
Moholes
Mohometanism
Mohorovicic discontinuity
Mohr's syndrome
Mohr pipette
Mohrenheim
Mohrenheim's fossa
Mohrenheim's space
Mohria
Mohria caffrorum
Mohs' chemosurgery
Mohs' fresh tissue chemosurgery technique
Mohs' micrographic surgery
Mohs' surgery
Mohs scale
Mohurrum
Moira
Moira Shearer
Moirae
Moirai
Moishy
Mojave
Mojave Desert
Mojave aster
Mojave rattlesnake
Moki
Mokola virus
Moksha
Mokulu

Literary usage of Mohs scale

Below you will find example usage of this term as found in modern and/or classical literature:

1. Handbook of Testing Materials: For the Constructor. Part I. Methods by Adolf Martens (1899)
"Mohs' Scale is as follows : 2. Rock salt (or gypsum) ( 1. ... For it has been settled that identical minerals of the mohs scale, but of different ..."

2. Handbook of Testing Materials. For the Constructor. Part I. Methods by Adolf Martens (1899)
"For the purpose of such classification, so-called scales of hardness, such as the well-known mohs scale, have been established, in which well-known minerals ..."

3. Elementary Crystallography: Being Part One of General Mineralogy by William Shirley Bayley (1910)
"The following table records the relative hardness of the minerals comprising the mohs scale as determined by different men using different methods: RELATIVE ..."

4. The Metallography and Heat Treatment of Iron and Steel by Albert Sauveur (1918)
"feldspar but not quartz it is generally assigned to rank 6 or 6.5 in the Mohs scale of hardness.i It will be shown later that when steel contains an ..."

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