Jadeite and Lazulite Physical Properties

Jadeite

Lazulite

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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

3.28-3.38

3.04-3.17

1.5 Fracture

Splintery, UnevenArthur Thomas, Difficult, Fibrous

Uneven, Uneven, Gemstones of the world (2001) More from other references

1.6 Cleavage

Good on [110]

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

6.5-7

5.5

1.8 Chemical Composition

NaAlSi 2O 6Ulrich Henn and Claudio C.

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

Jadeite and Lazulite Chemical Formula

While comparing Jadeite 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 Jadeite and Lazulite chemical formula.

Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Jadeite and Lazulite Specific Gravity

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