Rhodochrosite and Brookite Physical Properties

Rhodochrosite

Brookite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

3.87-4.14

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

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

1.6 Cleavage

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

Poor on {120}, in traces on {001}

1.7 Mohs Hardness

3.5-4

5.5-6

1.8 Chemical Composition

MnCO₃

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rhodochrosite and Brookite Chemical Formula

While comparing Rhodochrosite and Brookite 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 Brookite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodochrosite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.