Dravite and Hypersthene Physical Properties

Dravite

Hypersthene

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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

3.03-3.183.45-3.55

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

{???} Indistinct

{100} Perfect, {010} Perfect

1.7 Mohs Hardness

7-7.55-6

2 10

1.8 Chemical Composition

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

(Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.

Dravite and Hypersthene Chemical Formula

While comparing Dravite and Hypersthene 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 Hypersthene chemical formula.

Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Hypersthene- (Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.

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Dravite and Hypersthene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Hypersthene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Hypersthene Optical Properties during the identification of gemstone. Specific gravity of Dravite is 3.45-3.55 whereas that of Hypersthene is 3.45-3.55.