Brookite and Sanidine Physical Properties

Brookite

Sanidine

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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

3.87-4.142.54-2.61

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

{001} Perfect, {010} Good

1.7 Mohs Hardness

5.5-66

2 10

1.8 Chemical Composition

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

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Brookite and Sanidine Chemical Formula

While comparing Brookite and Sanidine 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 Sanidine chemical formula.

Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Brookite and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Brookite is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.