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Diameter, mm (1mm - 0,039inch)

Dolomite mineral - You can buy these samples

Dolomite is a mineral, as well as a sedimentary rock, consisting of 95% of the mineral dolomite. May be confused with calcite, especially as it occurs in association with it. Just like calcite, it reacts with hydrochloric acid, but unlike it, it does not boil up, but slowly dissolves in it. Boils violently only in hot hydrochloric acid. Dolomite, depending on the chemical composition and color, has a number of varieties. Widely used in construction.

You can see dolomite stone for sale and buy it in the Minerals of Russia online store.

Physical properties of Dolomite

General
Category Carbonate minerals
Formula
(repeating unit)
CaMg(CO3)2
IMA symbol Dol
Strunz classification 5.AB.10
Crystal system Trigonal
Crystal class Rhombohedral (3)
H-M symbol: (3)
Space group R3
Unit cell a = 4.8012(1), c = 16.002 [Å]; Z = 3
Identification
Color White, grey to pink, reddish-white, brownish-white; colourless in transmitted light
Crystal habit Tabular crystals, often with curved faces, also columnar, stalactitic, granular, massive.
Twinning Common as simple contact twins
Cleavage 3 directions of cleavage not at right angles
Fracture Conchoidal
Tenacity Brittle
Mohs scale hardness 3.5-4
Luster Vitreous to pearly
Streak White
Specific gravity 2.84–2.86
Optical properties Uniaxial (-)
Refractive index nω = 1.679–1.681 nε = 1.500
Birefringence δ = 0.179–0.181
Solubility Poorly soluble in dilute HCl
Other characteristics May fluoresce white to pink under UV; triboluminescent.
Ksp values vary between 1x10−19 to 1x10−17
Code: 421
Onot deposit, Transbaikalia., RF
82*46*39mm

0.00 $ $76.36

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