Melanite and Magnesite Physical Properties

Melanite

Magnesite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Effervesces in hot HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.10

2.92-3.12

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

[10 1 1] perfect

1.7 Mohs Hardness

6.5-7

3.5-4.5

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Melanite and Magnesite Chemical Formula

While comparing Melanite and Magnesite 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 Melanite and Magnesite chemical formula.

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Black Gemstones

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Melanite Vs Pyrargyrite

Melanite Vs Quartz

Melanite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Melanite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Melanite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.