Magnesite and Sylvite Physical Properties

Magnesite

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Effervesces in hot HCl

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.92-3.121.993

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Brittle

1.6 Cleavage

[10 1 1] perfect

Perfect on [100], [010], [001]

1.7 Mohs Hardness

3.5-4.52.5

2 10

1.8 Chemical Composition

MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Magnesite and Sylvite Chemical Formula

While comparing Magnesite and Sylvite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Magnesite and Sylvite chemical formula.

Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Magnesite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnesite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnesite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Magnesite is 1.993 whereas that of Sylvite is 1.993.