Dravite and Magnetite Physical Properties

Dravite

Magnetite

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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

3.03-3.185.2

1 7.18

1.5 Fracture

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

Uneven, Uneven, Management Team (2012), Conchoidal, Brittle

1.6 Cleavage

{???} Indistinct

None

1.7 Mohs Hardness

7-7.55.5-6.5

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)

Fe 3O 4Ulrich Henn and Claudio C.

Dravite and Magnetite Chemical Formula

While comparing Dravite and Magnetite 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 Magnetite 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 Magnetite- Fe 3O 4Ulrich Henn and Claudio C.

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Dravite and Magnetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Magnetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Magnetite Optical Properties during the identification of gemstone. Specific gravity of Dravite is 5.2 whereas that of Magnetite is 5.2.