Poudretteite and Lawsonite Physical Properties

Poudretteite

Lawsonite

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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

2.51-2.533.09

1 7.18

1.5 Fracture

Conchoidal, Splintery

White, Yellow, Pale blue, Brittle, Uneven

1.6 Cleavage

None

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Poudretteite and Lawsonite Chemical Formula

While comparing Poudretteite and Lawsonite 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 Poudretteite and Lawsonite chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Violet Gemstones

Poudretteite Vs Sapphire

Poudretteite Vs Rubellite

Poudretteite Vs Rutilated Quartz

Poudretteite and Lawsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Lawsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Lawsonite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 3.09 whereas that of Lawsonite is 3.09.