Brookite and Bloodstone Heliotrope Physical Properties

Brookite

Bloodstone Heliotrope

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.87-4.142.55-2.70

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Not Available

1.6 Cleavage

Poor on {120}, in traces on {001}

Not Available

1.7 Mohs Hardness

5.5-66.5-7

2 10

1.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO 2Arthur Thomas , Gemstones (2009)

Brookite and Bloodstone Heliotrope Chemical Formula

While comparing Brookite 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 Brookite and Bloodstone Heliotrope chemical formula.

Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)

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Brookite and Bloodstone Heliotrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Bloodstone Heliotrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Bloodstone Heliotrope Optical Properties during the identification of gemstone. Specific gravity of Brookite is 2.55-2.70 whereas that of Bloodstone Heliotrope is 2.55-2.70.