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Boulder Opal
Boulder Opal

Diaspore
Diaspore



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Boulder Opal
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Diaspore

Boulder Opal and Diaspore Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Very brittle
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.253.30-3.40
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
{010} perfect, {110} distinct, {100} in traces
1.7 Mohs Hardness
5-6.56.5-7
Amber
2 10
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Boulder Opal and Diaspore Chemical Formula

While comparing Boulder Opal and Diaspore 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 Diaspore chemical formula.

  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Boulder Opal and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.