Jade and Erythrite Physical Properties

Jade

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

2.90-3.383.06

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

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

1.6 Cleavage

1 or 2,2 prismatic.

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

1.7 Mohs Hardness

6-7Not Available

2 10

1.8 Chemical Composition

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Co3(AsO4)2•8(H2O)

Jade and Erythrite Chemical Formula

While comparing Jade 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 Jade and Erythrite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Jade and Erythrite Specific Gravity

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