Erythrite and Jade Physical Properties

Erythrite

Jade

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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

3.062.90-3.38

1 7.18

1.5 Fracture

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

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

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

1 or 2,2 prismatic.

1.7 Mohs Hardness

Not Available6-7

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

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

Erythrite and Jade Chemical Formula

While comparing Erythrite and Jade 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 Jade chemical formula.

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

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Erythrite Vs Polyhalite

Erythrite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Jade Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.90-3.38 whereas that of Jade is 2.90-3.38.