Jade and Brazilianite Physical Properties

Jade

Brazilianite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.382.98-2.99

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Conchoidal, Gems

1.6 Cleavage

1 or 2,2 prismatic.

(010) Distinct to good

1.7 Mohs Hardness

6-75.5

2 10

1.8 Chemical Composition

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

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Jade and Brazilianite Chemical Formula

While comparing Jade and Brazilianite 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 Brazilianite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Semi Precious Gemstones

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Jade and Brazilianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Brazilianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Brazilianite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.98-2.99 whereas that of Brazilianite is 2.98-2.99.