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Wood Opal
Wood Opal

Annabergite
Annabergite



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Wood Opal
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Annabergite

Wood Opal and Annabergite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.50
-
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
 
Sectile
-
-
3.07
-
Perfect on {010}, indistinct on {100} and {102}
2
Ni3(AsO4)2•8(H2O)

Wood Opal and Annabergite Chemical Formula

While comparing Wood Opal and Annabergite 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 Wood Opal and Annabergite chemical formula.

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Wood Opal and Annabergite Specific Gravity

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