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Gypsum
Gypsum

Boulder Opal
Boulder Opal



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Gypsum
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Boulder Opal

Gypsum and Boulder Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Flexible
Soluble
-
2.20-2.40
Conchoidal, Splintery, Fibrous
Perfect on {010}, distinct on {100}
2
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.

Gypsum and Boulder Opal Chemical Formula

While comparing Gypsum 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 Gypsum and Boulder Opal chemical formula.

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Gypsum and Boulder Opal Specific Gravity

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