Kunzite and Poudretteite Physical Properties

Kunzite

Poudretteite

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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

3.15-3.21

2.51-2.53

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

Conchoidal, Splintery

1.6 Cleavage

1,2 prismatic

None

1.7 Mohs Hardness

6-7

1.8 Chemical Composition

LiAlSi₂O₆

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

Kunzite and Poudretteite Chemical Formula

While comparing Kunzite and Poudretteite 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 Kunzite and Poudretteite chemical formula.

Chemical formula of Kunzite- LiAlSi₂O₆
Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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Kunzite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kunzite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kunzite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Kunzite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.