Brookite and Celestine Physical Properties

Brookite

Celestine

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.87-4.143.90-4.00

1 7.18

1.5 Fracture

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

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

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

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

5.5-63-3.5

2 10

1.8 Chemical Composition

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

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Brookite and Celestine Chemical Formula

While comparing Brookite and Celestine 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 Celestine chemical formula.

Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Brookite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Brookite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.