Gaspeite and Andradite Physical Properties

Gaspeite

Andradite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

HCl soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.713.70-4.10

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{10 1 1} Good

none

1.7 Mohs Hardness

4.5-56.5-7

2 10

1.8 Chemical Composition

(Ni,Mg,Fe++)CO3

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

Gaspeite and Andradite Chemical Formula

While comparing Gaspeite 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 Gaspeite and Andradite chemical formula.

Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3
Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Gaspeite and Andradite Specific Gravity

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