Erythrite and Tigers Eye Physical Properties

Erythrite

Tigers Eye

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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

3.062.58-2.64

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

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

Indiscernible

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

SiO₂

Erythrite and Tigers Eye Chemical Formula

While comparing Erythrite and Tigers Eye 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 Tigers Eye chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Chemical formula of Tigers Eye- SiO₂

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Erythrite and Tigers Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Tigers Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Tigers Eye Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.58-2.64 whereas that of Tigers Eye is 2.58-2.64.