Rhodochrosite and Emerald Physical Properties

Rhodochrosite

Emerald

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

3.0-3.3

2.67-2.78

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Imperfect on the [0001]

1.7 Mohs Hardness

3.5-4

7.5-8

1.8 Chemical Composition

MnCO₃

Be₃Al₂SiO₆

Rhodochrosite and Emerald Chemical Formula

While comparing Rhodochrosite and Emerald 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 Emerald chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Emerald- Be₃Al₂SiO₆

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Rhodochrosite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.