Rhodochrosite and Brazilianite Physical Properties

Rhodochrosite

Brazilianite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

2.98-2.99

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Conchoidal, Gems

1.6 Cleavage

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

(010) Distinct to good

1.7 Mohs Hardness

3.5-4

5.5

1.8 Chemical Composition

MnCO₃

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rhodochrosite and Brazilianite Chemical Formula

While comparing Rhodochrosite and Brazilianite 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 Brazilianite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodochrosite and Brazilianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Brazilianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Brazilianite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.98-2.99 whereas that of Brazilianite is 2.98-2.99.