Rubellite and Jade Physical Properties

Rubellite

Jade

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.01-3.062.90-3.38

1 7.18

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Fracture

Conchoidal

Splintery

Cleavage

Indiscernible

1 or 2,2 prismatic.

Mohs Hardness

7-7.56-7

2 10

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Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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

Rubellite and Jade Chemical Formula

While comparing Rubellite 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 Rubellite and Jade chemical formula.

Chemical formula of Rubellite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Compare Blue Gemstones

Rubellite Vs Serendibite

Rubellite Vs Shattuckite

Rubellite Vs Sillimanite

Rubellite and Jade Specific Gravity

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