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

Stone sphere balls - full range in stock "Magnesite"

Magnesite is a common mineral known since ancient times. It is rare in crystals, usually in the form of continuous coarse-grained masses. It is formed in a hydrothermal way, as well as in sedimentary rocks and during the weathering of ultramafic rocks.

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

Physical properties of Magnesite

Category Carbonate mineral
(repeating unit)
IMA symbol Mgs
Strunz classification 5.AB.05
Crystal system Trigonal
Crystal class Hexagonal scalenohedral (3m)
H-M symbol: (3 2/m)
Space group R3c
Color Colorless, white, pale yellow, pale brown, faintly pink, lilac-rose
Crystal habit Usually massive, rarely as rhombohedrons or hexagonal prisms
Cleavage [1011] perfect
Fracture Conchoidal
Tenacity Brittle
Mohs scale hardness 3.5 – 4.5
Luster Vitreous
Streak white
Diaphaneity Transparent to translucent
Specific gravity 3.0 – 3.2
Optical properties Uniaxial (-)
Refractive index nω=1.508 – 1.510 nε=1.700
Birefringence 0.191
Fusibility infusible
Solubility Effervesces in hot HCl
Other characteristics May exhibit pale green to pale blue fluorescence and phosphorescence under UV; triboluminescent

Code: 4449
Hematite hill, Sverdlovsk region, Middle Urals, RF

0.00 $ $70.00

Code: 1782
Satka, Chelyabinsk region, South Ural, RF

0.00 $ $100.00

Code: 887
Satka, Chelyabinsk region, South Ural, RF

0.00 $ $269.00

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