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Black Opal
Black Opal

Microcline
Microcline



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Black Opal
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Microcline

Black Opal and Microcline 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
1.97-2.222.55-2.63
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gems
1.6 Cleavage
Not Available
{001} Perfect, {010} Good
1.7 Mohs Hardness
6-6.56-6.5
Amber
2 10
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Black Opal and Microcline Chemical Formula

While comparing Black Opal and Microcline 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 Black Opal and Microcline chemical formula.

  • Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Black Opal and Microcline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Black Opal and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal and Microcline Optical Properties during the identification of gemstone. Specific gravity of Black Opal is 2.55-2.63 whereas that of Microcline is 2.55-2.63.