Axinite and Erythrite Physical Properties

Axinite

Erythrite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.26-3.363.06

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

1.6 Cleavage

Good on {100}

Perfect on {010}; poor on {100} and { 1 02}.

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Co3(AsO4)2•8(H2O)

Axinite and Erythrite Chemical Formula

While comparing Axinite and Erythrite 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 Axinite and Erythrite chemical formula.

Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Axinite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Axinite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Axinite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Axinite is 3.06 whereas that of Erythrite is 3.06.