Jade and Lazulite Physical Properties

Jade

Lazulite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.383.04-3.17

1 7.18

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Fracture

Splintery

Uneven

Cleavage

1 or 2,2 prismatic.

{001} Indistinct, {???} Indistinct

Mohs Hardness

6-75.5

2 10

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Chemical Composition

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

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Jade and Lazulite Chemical Formula

While comparing Jade and Lazulite 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 Lazulite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Compare Semi Precious Gemstones

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Jade Vs Rhodolite

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Jade and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Jade is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.