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Malachite
Malachite

Precious Opal
Precious Opal



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Malachite
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Precious Opal

Malachite and Precious Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.25-4.10
Conchoidal, Uneven
Perfect on { 2 01} fair on {010}
3.5-4
Cu2CO3(OH)2
 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Malachite and Precious Opal Chemical Formula

While comparing Malachite and Precious 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 Malachite and Precious Opal chemical formula.

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Malachite and Precious Opal Specific Gravity

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