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Feldspar
Feldspar

Crystal Opal
Crystal Opal



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Feldspar
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Crystal Opal

Feldspar and Crystal Opal 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
2.56-2.751.97-2.22
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
two or three
Not Available
1.7 Mohs Hardness
6-6.55.5-6.5
Amber
2 10
1.8 Chemical Composition
Not Available
SiO 2 + H 2OUlrich Henn and Claudio C.

Feldspar and Crystal Opal Chemical Formula

While comparing Feldspar and Crystal 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 Feldspar and Crystal Opal chemical formula.

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  • Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Feldspar and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Feldspar and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Feldspar and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Feldspar is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.