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Properties of substance:

talc

Group of substances:

inorganic

Empirical formula (Hill's system for organic substances):

H2Mg3O12Si4

Structural formula as text:

Mg3[Si4O10](OH)2

Decomposition temperature (°C):

930

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

Numerical data:

Vickers hardness (GPa): 0.46
Hardness on the Mohs’ scale: 1

Density:

2.71 (25°C, g/cm3)

References:

  1. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 493 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru