Dravite and Meionite Physical Properties

Dravite

Meionite

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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

3.03-3.182.78

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, Brittle

1.6 Cleavage

{???} Indistinct

{???} Distinct, {???} Indistinct

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)

3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)

Dravite and Meionite Chemical Formula

While comparing Dravite and Meionite 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 Meionite 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 Meionite- 3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)

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Dravite and Meionite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Meionite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Meionite Optical Properties during the identification of gemstone. Specific gravity of Dravite is 2.78 whereas that of Meionite is 2.78.