Boulder Opal and Strontianite Physical Properties

Boulder Opal

Strontianite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.98-2.253.63-3.79

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Not Available

{110} Good

1.7 Mohs Hardness

5-6.53.5

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

Boulder Opal and Strontianite Chemical Formula

While comparing Boulder Opal and Strontianite 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 Strontianite chemical formula.

Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

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Boulder Opal and Strontianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Strontianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Strontianite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 3.63-3.79 whereas that of Strontianite is 3.63-3.79.