Melanite and Almandine Physical Properties

Melanite

Almandine

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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

3.95-4.30

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

none

1.7 Mohs Hardness

6.5-7

7-7.5

1.8 Chemical Composition

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

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

Melanite and Almandine Chemical Formula

While comparing Melanite and Almandine 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 Almandine chemical formula.

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

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Melanite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Melanite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Melanite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.