Strontianite and Poudretteite Physical Properties

Strontianite

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

3.63-3.792.51-2.53

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Conchoidal, Splintery

1.6 Cleavage

{110} Good

None

1.7 Mohs Hardness

3.55

2 10

1.8 Chemical Composition

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

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

Strontianite and Poudretteite Chemical Formula

While comparing Strontianite 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 Strontianite and Poudretteite chemical formula.

Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

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Strontianite Vs Tortoiseshell

Strontianite Vs Tremolite

Strontianite and Poudretteite Specific Gravity

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