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Amethyst
Amethyst

Agate Opal
Agate Opal



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Amethyst
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Agate Opal

Amethyst and Agate Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
insoluble in common solvents
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.651.98-2.50
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
Indiscernible
Not Available
1.7 Mohs Hardness
75.5-6.5
Amber
2 10
1.8 Chemical Composition
SiO2
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Amethyst and Agate Opal Chemical Formula

While comparing Amethyst and Agate Opal 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 Amethyst and Agate Opal chemical formula.

  • Chemical formula of Amethyst- SiO2
  • Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Amethyst and Agate Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.