Poudretteite and Pearl Physical Properties

Poudretteite

Pearl

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.532.60-2.85

1 7.18

1.5 Fracture

Conchoidal, Splintery

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

1.6 Cleavage

None

none

1.7 Mohs Hardness

52.5-4.5

2 10

1.8 Chemical Composition

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

Not Available

Poudretteite and Pearl Chemical Formula

While comparing Poudretteite and Pearl 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 Pearl chemical formula.

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

Compare Violet Gemstones

Poudretteite Vs Rutilated Quartz

Poudretteite Vs Sapphire

Poudretteite Vs Rubellite

Poudretteite and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.