Dravite and Alabaster Physical Properties

Dravite

Alabaster

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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)

2.30

None

CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)

Dravite and Alabaster Chemical Formula

While comparing Dravite and Alabaster 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 Dravite and Alabaster chemical formula.

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Dravite and Alabaster Specific Gravity

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