Rhodochrosite and Brucite Physical Properties

Rhodochrosite

Brucite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

2.39

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Irregular

1.6 Cleavage

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

Perfect on {0001}

1.7 Mohs Hardness

3.5-4

2.5

1.8 Chemical Composition

MnCO₃

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Rhodochrosite and Brucite Chemical Formula

While comparing Rhodochrosite and Brucite 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 Brucite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Rhodochrosite and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Brucite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.39 whereas that of Brucite is 2.39.