Melanite and Pearl Physical Properties

Melanite

Pearl

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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

3.70-4.10

2.60-2.85

1.5 Fracture

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

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

1.6 Cleavage

Not Available

none

1.7 Mohs Hardness

6.5-7

2.5-4.5

1.8 Chemical Composition

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

Not Available

Melanite and Pearl Chemical Formula

While comparing Melanite and Pearl 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 Pearl chemical formula.

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

Compare Black Gemstones

Melanite Vs Pyrargyrite

Melanite Vs Proustite

Melanite Vs Quartz

Melanite and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Melanite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Melanite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.