Dravite and Clintonite Physical Properties

Dravite

Clintonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.03-3.183.0-3.1

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{???} Indistinct

Perfect on {001}

1.7 Mohs Hardness

7-7.53.5

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)

Ca(Mg,Al)3(Al3Si)O10(OH)2

Dravite and Clintonite Chemical Formula

While comparing Dravite and Clintonite 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 Clintonite 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 Clintonite- Ca(Mg,Al)3(Al3Si)O10(OH)2

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Dravite and Clintonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Clintonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Clintonite Optical Properties during the identification of gemstone. Specific gravity of Dravite is 3.0-3.1 whereas that of Clintonite is 3.0-3.1.