Poudretteite and Fluorite Physical Properties

Poudretteite

Fluorite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.533.00-3.25

1 7.18

1.6 Fracture

Conchoidal, Splintery

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.7 Cleavage

None

Octahedral, perfect on {111}, parting on {011}

1.8 Mohs Hardness

2 10

1.9 Chemical Composition

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

CaF₂

Poudretteite and Fluorite Chemical Formula

While comparing Poudretteite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fluorite- CaF₂

Compare Violet Gemstones

Poudretteite Vs Sapphire

Poudretteite Vs Rutilated Quartz

Poudretteite Vs Rubellite

Poudretteite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.