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Andradite
Andradite

Pearl
Pearl



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Andradite
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Pearl

Andradite and Pearl Physical Properties

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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
3.70-4.102.60-2.85
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
none
none
1.7 Mohs Hardness
6.5-72.5-4.5
Amber
2 10
1.8 Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Not Available

Andradite and Pearl Chemical Formula

While comparing Andradite and Pearl 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 Pearl chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Andradite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Andradite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.