Jade and Lawsonite Physical Properties

Jade

Lawsonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.90-3.383.09

1 7.18

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Fracture

Splintery

Uneven

Cleavage

1 or 2,2 prismatic.

Perfect on {100} and {010}, imperfect on {101}

Mohs Hardness

6-78

2 10

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Chemical Composition

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

CaAl2Si2O7(OH)2.H2O

Jade and Lawsonite Chemical Formula

While comparing Jade and Lawsonite 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 Lawsonite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Lawsonite- CaAl2Si2O7(OH)2.H2O

Compare Semi Precious Gemstones

Jade Vs Pyrope Spessartine

Jade Vs Rhodolite

Jade Vs Rubellite

Jade and Lawsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Lawsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Lawsonite Optical Properties during the identification of gemstone. Specific gravity of Jade is 3.09 whereas that of Lawsonite is 3.09.