Pyrophyllite and Danburite Physical Properties

Pyrophyllite

Danburite

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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

2.65-2.902.97-3.03

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

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

1.6 Cleavage

{001} Perfect

{001} Poor

1.7 Mohs Hardness

Not Available7

2 10

1.8 Chemical Composition

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

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pyrophyllite and Danburite Chemical Formula

While comparing Pyrophyllite and Danburite 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 Pyrophyllite and Danburite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

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Pyrophyllite Vs Sard

Pyrophyllite Vs Scorzalite

Pyrophyllite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.