Andradite and Ferro-axinite Axinite-Fe Physical Properties

Andradite

Ferro-axinite Axinite-Fe

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.103.25-3.28

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

none

{100} Distinct, {001} Poor, {110} Poor

1.7 Mohs Hardness

6.5-76.5-7

2 10

1.8 Chemical Composition

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

Ca2Fe++Al2BO3Si4O12(OH)

Andradite and Ferro-axinite Axinite-Fe Chemical Formula

While comparing Andradite and Ferro-axinite Axinite-Fe 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 Ferro-axinite Axinite-Fe chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Ferro-axinite Axinite-Fe- Ca2Fe++Al2BO3Si4O12(OH)

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Andradite and Ferro-axinite Axinite-Fe Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Ferro-axinite Axinite-Fe Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Ferro-axinite Axinite-Fe Optical Properties during the identification of gemstone. Specific gravity of Andradite is 3.25-3.28 whereas that of Ferro-axinite Axinite-Fe is 3.25-3.28.