Melanite and Jade Physical Properties

Melanite

Jade

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1 Physical Properties

1.1 Tenacity

Not Available

1.3 Solubility

Not Available

1.5 Durability

Not Available

1.8 Specific Gravity

3.70-4.102.90-3.38

1 7.18

1.16 Fracture

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

Gemstones of the world (2001), Difficult, Splintery

1.17 Cleavage

Not Available

1 or 2,2 prismatic.

1.18 Mohs Hardness

6.5-76-7

2 10

1.19 Chemical Composition

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

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Melanite and Jade Chemical Formula

While comparing Melanite and Jade 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 Jade chemical formula.

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Compare Black Gemstones

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Melanite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Melanite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Jade Optical Properties during the identification of gemstone. Specific gravity of Melanite is 2.90-3.38 whereas that of Jade is 2.90-3.38.