Kunzite and Dravite Physical Properties

Kunzite

Dravite

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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

3.15-3.21

3.03-3.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

1,2 prismatic

{???} Indistinct

1.7 Mohs Hardness

6-7

7-7.5

1.8 Chemical Composition

LiAlSi₂O₆

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Kunzite and Dravite Chemical Formula

While comparing Kunzite 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 Kunzite and Dravite chemical formula.

Chemical formula of Kunzite- LiAlSi₂O₆
Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Kunzite and Dravite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kunzite and Dravite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kunzite and Dravite Optical Properties during the identification of gemstone. Specific gravity of Kunzite is 3.03-3.18 whereas that of Dravite is 3.03-3.18.