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Prehnite
Prehnite

Agate Opal
Agate Opal



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Prehnite
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Agate Opal

Prehnite and Agate Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.80-2.951.98-2.50
Amber
1 7.18
1.5 Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
Distinct on [001]
Not Available
1.7 Mohs Hardness
6-6.55.5-6.5
Amber
2 10
1.8 Chemical Composition
Ca2Al2Si3O12(OH)
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Prehnite and Agate Opal Chemical Formula

While comparing Prehnite 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 Prehnite and Agate Opal chemical formula.

  • Chemical formula of Prehnite- Ca2Al2Si3O12(OH)
  • Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Prehnite and Agate Opal Specific Gravity

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