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Prehnite
Prehnite

Ammolite
Ammolite



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Prehnite
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Ammolite

Prehnite and Ammolite Physical Properties

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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
2.80-2.952.75-2.80
Amber
1 7.18
1.5 Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Uneven, Granular
1.6 Cleavage
Distinct on [001]
no true cleavage
1.7 Mohs Hardness
6-6.54
Amber
2 10
1.8 Chemical Composition
Ca2Al2Si3O12(OH)
Not Available

Prehnite and Ammolite Chemical Formula

While comparing Prehnite and Ammolite 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 Ammolite chemical formula.

  • Chemical formula of Prehnite- Ca2Al2Si3O12(OH)
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Prehnite and Ammolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prehnite and Ammolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prehnite and Ammolite Optical Properties during the identification of gemstone. Specific gravity of Prehnite is 2.75-2.80 whereas that of Ammolite is 2.75-2.80.