Dravite and Bloodstone Heliotrope Physical Properties

Dravite

Bloodstone Heliotrope

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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)

2.55-2.70

None

6.5-7

SiO 2Arthur Thomas , Gemstones (2009)

Dravite and Bloodstone Heliotrope Chemical Formula

While comparing Dravite and Bloodstone Heliotrope 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 Bloodstone Heliotrope chemical formula.

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Dravite and Bloodstone Heliotrope Specific Gravity

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