Jadeite and Brookite Physical Properties

Jadeite

Brookite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.383.87-4.14

1 7.18

1.11 Fracture

Splintery, UnevenArthur Thomas, Difficult, Fibrous

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

1.12 Cleavage

Good on [110]

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

1.13 Mohs Hardness

6.5-75.5-6

2 10

1.21 Chemical Composition

NaAlSi 2O 6Ulrich Henn and Claudio C.

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

Jadeite and Brookite Chemical Formula

While comparing Jadeite and Brookite 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 Jadeite and Brookite chemical formula.

Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Jadeite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jadeite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jadeite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Jadeite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.