Dravite and Chambersite Physical Properties

Dravite

Chambersite

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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

3.03-3.183.50

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{???} Indistinct

None

1.7 Mohs Hardness

7-7.57

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)

Mn 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006)

Dravite and Chambersite Chemical Formula

While comparing Dravite and Chambersite 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 Chambersite 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 Chambersite- Mn 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006)

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Dravite and Chambersite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Chambersite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Chambersite Optical Properties during the identification of gemstone. Specific gravity of Dravite is 3.50 whereas that of Chambersite is 3.50.