Catapleiite and Erythrite Physical Properties

Catapleiite

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

2.723.06

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

{110} Perfect, {010} Perfect

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

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Co3(AsO4)2•8(H2O)

Catapleiite and Erythrite Chemical Formula

While comparing Catapleiite 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 Catapleiite and Erythrite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Catapleiite and Erythrite Specific Gravity

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