Melanite and Sard Physical Properties

Melanite

Sard

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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

3.70-4.102.58-2.63

1 7.18

1.5 Fracture

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6.5-76.5-7

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Melanite and Sard Chemical Formula

While comparing Melanite and Sard 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 Sard chemical formula.

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

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Melanite and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Melanite and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Sard Optical Properties during the identification of gemstone. Specific gravity of Melanite is 2.58-2.63 whereas that of Sard is 2.58-2.63.