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Boulder Opal
Boulder Opal

Zinnwaldite
Zinnwaldite



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Boulder Opal
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Zinnwaldite

Boulder Opal and Zinnwaldite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Elastic
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.252.9-3.1
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven
1.6 Cleavage
Not Available
Perfect basal {001}
1.7 Mohs Hardness
5-6.53.5-4.0
Amber
2 10
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Not Available

Boulder Opal and Zinnwaldite Chemical Formula

While comparing Boulder Opal and Zinnwaldite 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 Boulder Opal and Zinnwaldite chemical formula.

  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
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Boulder Opal and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.