Dravite and Gypsum Physical Properties

Dravite

Gypsum

Add ⊕

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)

Flexible

Soluble

2.20-2.40

Conchoidal, Splintery, Fibrous

Perfect on {010}, distinct on {100}

CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Dravite and Gypsum Chemical Formula

While comparing Dravite and Gypsum 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 Gypsum chemical formula.

Compare Blue Gemstones

Dravite Vs Gahnite

Dravite Vs Gahnospinel

Dravite Vs Heliodor Golden Beryl

Dravite and Gypsum Specific Gravity

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