Topaz and Rhodochrosite Physical Properties

Topaz

Rhodochrosite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.49-3.57

3.0-3.3

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

[001] Perfect

On {10 1 1} perfect; parting on {10 1 2}

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

Al₂SiO₄(F,OH)₂

MnCO₃

Topaz and Rhodochrosite Chemical Formula

While comparing Topaz and Rhodochrosite 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 Topaz and Rhodochrosite chemical formula.

Chemical formula of Topaz- Al₂SiO₄(F,OH)₂
Chemical formula of Rhodochrosite- MnCO₃

Compare Gems for Sagittarius

Topaz Vs Quartz Smoky

Topaz Vs Pietersite

Topaz Vs Petoskey Stone

Topaz and Rhodochrosite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.