Melanite and Forsterite Physical Properties

Melanite

Forsterite

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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

3.70-4.103.23-3.26

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Not Available

Perfect on {010} imperfect on {100}

1.7 Mohs Hardness

6.5-76.5-7

2 10

1.8 Chemical Composition

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

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Melanite and Forsterite Chemical Formula

While comparing Melanite and Forsterite 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 Forsterite chemical formula.

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Black Gemstones

Melanite Vs Quartz

Melanite Vs Pyrargyrite

Melanite Vs Proustite

Melanite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Melanite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Melanite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.