Milarite and Dravite Physical Properties

Milarite

Dravite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.52-2.60

Uneven, Conchoidal

{0001} Imperfect, {1120} Imperfect

5.5-6

KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3.03-3.18

Uneven, Irregular, Conchoidal

{???} Indistinct

7-7.5

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Milarite and Dravite Chemical Formula

While comparing Milarite and Dravite 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 Milarite and Dravite chemical formula.

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Milarite and Dravite Specific Gravity

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