Melanite and Crocoite Physical Properties

Melanite

Crocoite

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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

3.70-4.105.90-6.10

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

Not Available

{110} Distinct, {001} Indistinct, {100} Indistinct

1.7 Mohs Hardness

6.5-72.5-3

2 10

1.8 Chemical Composition

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

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Melanite and Crocoite Chemical Formula

While comparing Melanite and Crocoite 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 Crocoite chemical formula.

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Melanite and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Melanite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Melanite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.