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Andesine
Andesine

Boulder Opal
Boulder Opal



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Andesine
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Boulder Opal

Andesine and Boulder Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.65-2.69
Uneven, Conchoidal
Perfect on {001}, good on {010}
6-6.5
(Na,Ca)Al1-2Si3-2O8
 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.

Andesine and Boulder Opal Chemical Formula

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

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Andesine and Boulder Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andesine and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine Vs Boulder Opal during the identification of gemstone. Specific gravity of Andesine is whereas that of Boulder Opal is .