Strontianite and Pyrophyllite Physical Properties

Strontianite

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.63-3.792.65-2.90

1 7.18

1.5 Fracture

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

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

{110} Good

{001} Perfect

1.7 Mohs Hardness

3.5Not Available

2 10

1.8 Chemical Composition

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

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Strontianite and Pyrophyllite Chemical Formula

While comparing Strontianite and Pyrophyllite 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 Pyrophyllite chemical formula.

Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Strontianite and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Strontianite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Strontianite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Strontianite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.