Hiddenite and Pyrophyllite Physical Properties

Hiddenite

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

3.15-3.212.65-2.90

1 7.18

1.5 Fracture

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

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

1,2 prismatic

{001} Perfect

1.7 Mohs Hardness

6-7Not Available

2 10

1.8 Chemical Composition

LiAlSi₂O₆

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

Hiddenite and Pyrophyllite Chemical Formula

While comparing Hiddenite 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 Hiddenite and Pyrophyllite chemical formula.

Chemical formula of Hiddenite- LiAlSi₂O₆
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hiddenite and Pyrophyllite Specific Gravity

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