Jade and Charoite Physical Properties

Jade

Charoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.5 Durability

Not Available

1.7 Specific Gravity

2.90-3.382.54-2.78

1 7.18

2.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

1 or 2,2 prismatic.

Good in three directions

2.7 Mohs Hardness

6-75-6

2 10

2.14 Chemical Composition

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

K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Jade and Charoite Chemical Formula

While comparing Jade and Charoite 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 Charoite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Jade and Charoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Charoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Charoite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.54-2.78 whereas that of Charoite is 2.54-2.78.