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Lawsonite
Lawsonite

Dravite
Dravite



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Lawsonite
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Dravite

Lawsonite and Dravite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.09
Uneven
Perfect on {100} and {010}, imperfect on {101}
8
CaAl2Si2O7(OH)2.H2O
 
-
-
-
3.03-3.18
Uneven, Irregular, Conchoidal
{???} Indistinct
7-7.5
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Lawsonite and Dravite Chemical Formula

While comparing Lawsonite and Dravite 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 Lawsonite and Dravite chemical formula.

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Lawsonite and Dravite Specific Gravity

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