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Rhodochrosite
Rhodochrosite

Onyx
Onyx



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Rhodochrosite
X
Onyx

Rhodochrosite and Onyx Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.0-3.32.55-2.70
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, Conchoidal to uneven, Brittle
Not Available
1.6 Cleavage
On {10 1 1} perfect; parting on {10 1 2}
Indiscernible
1.7 Mohs Hardness
3.5-46.5-7
Amber
2 10
1.8 Chemical Composition
MnCO3
SiO2

Rhodochrosite and Onyx Chemical Formula

While comparing Rhodochrosite and Onyx 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 Rhodochrosite and Onyx chemical formula.

  • Chemical formula of Rhodochrosite- MnCO3
  • Chemical formula of Onyx- SiO2

Rhodochrosite and Onyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Onyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Onyx Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.55-2.70 whereas that of Onyx is 2.55-2.70.