Prasiolite and Erythrite Physical Properties

Prasiolite

Erythrite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.06

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

3,1

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

1.7 Mohs Hardness

7Not Available

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Co3(AsO4)2•8(H2O)

Prasiolite and Erythrite Chemical Formula

While comparing Prasiolite 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 Prasiolite and Erythrite chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Prasiolite and Erythrite Specific Gravity

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