Dravite and Chabazite Physical Properties

Dravite

Chabazite

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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

3.03-3.182.08-2.16

1 7.18

1.5 Fracture

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

Irregular/uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{???} Indistinct

distinct/good on {1011}

1.7 Mohs Hardness

7-7.54.5

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)

CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)

Dravite and Chabazite Chemical Formula

While comparing Dravite and Chabazite 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 Chabazite 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 Chabazite- CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)

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Dravite and Chabazite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Chabazite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Chabazite Optical Properties during the identification of gemstone. Specific gravity of Dravite is 2.08-2.16 whereas that of Chabazite is 2.08-2.16.