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Boulder Opal
Boulder Opal

Edenite
Edenite



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Boulder Opal
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Edenite

Boulder Opal and Edenite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.253.05-3.37
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Brittle, Conchoidal
1.6 Cleavage
Not Available
Good on (110)
1.7 Mohs Hardness
5-6.55-6
Amber
2 10
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
NaCa2Mg5Si7AlO22(OH)2

Boulder Opal and Edenite Chemical Formula

While comparing Boulder Opal and Edenite 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 Edenite chemical formula.

  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

Boulder Opal and Edenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Edenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Edenite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 3.05-3.37 whereas that of Edenite is 3.05-3.37.