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Andradite
Andradite

Jet lignite
Jet lignite



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Andradite
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Jet lignite

Andradite and Jet lignite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.70-4.101.30-1.34
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
none
Not Available
1.7 Mohs Hardness
6.5-72.5
Amber
2 10
1.8 Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Not Available

Andradite and Jet lignite Chemical Formula

While comparing Andradite and Jet lignite 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 Andradite and Jet lignite chemical formula.

  • Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
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Andradite and Jet lignite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Jet lignite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Jet lignite Optical Properties during the identification of gemstone. Specific gravity of Andradite is 1.30-1.34 whereas that of Jet lignite is 1.30-1.34.