Erythrite and Axinite Physical Properties

Erythrite

Axinite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.06

3.26-3.36

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Good on {100}

1.7 Mohs Hardness

Not Available

6.5-7

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

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

Erythrite and Axinite Chemical Formula

While comparing Erythrite and Axinite 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 Erythrite and Axinite chemical formula.

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

Compare Red Gemstones

Erythrite Vs Polyhalite

Erythrite Vs Stolzite

Erythrite Vs Richterite

Erythrite and Axinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Axinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Axinite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 3.26-3.36 whereas that of Axinite is 3.26-3.36.

Red Gemstones

Kainite

Langbeinite

Nickeline

Phlogopite

Polyhalite

Richterite