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Carnelian
Carnelian

Augelite
Augelite



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Carnelian
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Augelite

Carnelian and Augelite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.58-2.642.70-2.75
Amber
1 7.18
1.5 Fracture
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Absent
From the Greek for luster, for its pearly luster on the cleavage.
1.7 Mohs Hardness
6.5-74.5-5
Amber
2 10
1.8 Chemical Composition
SiO2
Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Carnelian and Augelite Chemical Formula

While comparing Carnelian and Augelite 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 Augelite chemical formula.

  • Chemical formula of Carnelian- SiO2
  • Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Carnelian and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Augelite Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 2.70-2.75 whereas that of Augelite is 2.70-2.75.