Lawsonite and Brookite Physical Properties

Lawsonite

Brookite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.093.87-4.14

1 7.18

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Fracture

Uneven

Subconchoidal, Conchoidal

Cleavage

Perfect on {100} and {010}, imperfect on {101}

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

Mohs Hardness

85.5-6

2 10

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Chemical Composition

CaAl2Si2O7(OH)2.H2O

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

Lawsonite and Brookite Chemical Formula

While comparing Lawsonite 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 Lawsonite and Brookite chemical formula.

Chemical formula of Lawsonite- CaAl2Si2O7(OH)2.H2O
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

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Lawsonite Vs Sylvite

Lawsonite Vs Paraiba

Lawsonite and Brookite Specific Gravity

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