Riebeckite and Jade Physical Properties

Riebeckite

Jade

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.28-3.442.90-3.38

1 7.18

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Fracture

Uneven, Splintery

Splintery

Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

1 or 2,2 prismatic.

Mohs Hardness

5.0-6.06-7

2 10

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Chemical Composition

Na2Fe2+3Fe3+2Si8O22(OH)2

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

Riebeckite and Jade Chemical Formula

While comparing Riebeckite 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 Riebeckite and Jade chemical formula.

Chemical formula of Riebeckite- Na2Fe2+3Fe3+2Si8O22(OH)2
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Riebeckite and Jade Specific Gravity

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