Melanite and Moldavite Physical Properties

Melanite

Moldavite

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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

3.70-4.102.32-2.38

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6.5-75.5

2 10

1.8 Chemical Composition

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

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Melanite and Moldavite Chemical Formula

While comparing Melanite and Moldavite 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 Moldavite chemical formula.

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Compare Black Gemstones

Melanite Vs Quartz

Melanite Vs Pyrargyrite

Melanite Vs Proustite

Melanite and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Melanite and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Melanite is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.