Dravite and Tigers Eye Physical Properties

Dravite

Tigers Eye

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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

3.03-3.18

2.58-2.64

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

{???} Indistinct

Indiscernible

1.7 Mohs Hardness

7-7.5

6.5-7

1.8 Chemical Composition

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

SiO₂

Dravite and Tigers Eye Chemical Formula

While comparing Dravite and Tigers Eye 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 Tigers Eye 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 Tigers Eye- SiO₂

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Dravite and Tigers Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Tigers Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Tigers Eye Optical Properties during the identification of gemstone. Specific gravity of Dravite is 2.58-2.64 whereas that of Tigers Eye is 2.58-2.64.