Jasper and Andradite Physical Properties

Jasper

Andradite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.91

3.70-4.10

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indiscernible

none

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

SiO₂

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

Jasper and Andradite Chemical Formula

While comparing Jasper and Andradite 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 Jasper and Andradite chemical formula.

Chemical formula of Jasper- SiO₂
Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Jasper and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jasper and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jasper and Andradite Optical Properties during the identification of gemstone. Specific gravity of Jasper is 3.70-4.10 whereas that of Andradite is 3.70-4.10.