Melanite and Vishnevite Physical Properties

Melanite

Vishnevite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.10Not Available

1 7.18

1.5 Fracture

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

Brittle, Uneven

1.6 Cleavage

Not Available

Perfect

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

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

Not Available

Melanite and Vishnevite Chemical Formula

While comparing Melanite and Vishnevite 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 Vishnevite chemical formula.

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Melanite Vs Pyrargyrite

Melanite and Vishnevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Melanite and Vishnevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Vishnevite Optical Properties during the identification of gemstone. Specific gravity of Melanite is Not Available whereas that of Vishnevite is Not Available.