Carnelian and Pyrophyllite Physical Properties

Carnelian

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

2.58-2.64

2.65-2.90

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

Absent

{001} Perfect

1.7 Mohs Hardness

6.5-7

Not Available

1.8 Chemical Composition

SiO₂

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

Carnelian and Pyrophyllite Chemical Formula

While comparing Carnelian 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 Carnelian and Pyrophyllite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Carnelian Vs Quartz

Carnelian Vs Prasiolite

Carnelian Vs Kunzite

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Carnelian and Pyrophyllite Specific Gravity

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