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Opal
Opal

Manganaxinite
Manganaxinite



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Opal
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Manganaxinite

Opal and Manganaxinite Physical Properties

Physical Properties

Tenacity

BrittleWalter Schumann
-

Solubility

hot salt water
-

Durability

-
-

Specific Gravity

1.98-2.253.314
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

None
1 perfect

Mohs Hardness

5-6.56.5-7
2 10
👆🏻

Chemical Composition

SiO2 · nH2O
Ca2Mn2+Al2BSi5O17(OH)

Opal and Manganaxinite Chemical Formula

While comparing Opal and Manganaxinite 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 Opal and Manganaxinite chemical formula.

  • Chemical formula of Opal- SiO2 · nH2O
  • Chemical formula of Manganaxinite- Ca2Mn2+Al2BSi5O17(OH)

Opal and Manganaxinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal and Manganaxinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Manganaxinite Optical Properties during the identification of gemstone. Specific gravity of Opal is 3.314 whereas that of Manganaxinite is 3.314.