Rhodochrosite and Natrolite Physical Properties

Rhodochrosite

Natrolite

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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

2.20-2.26

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Uneven, Brittle, Metallic, Gemstones (2009)

1.6 Cleavage

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

Perfect on {110}

1.7 Mohs Hardness

3.5-4

5-5.5

1.8 Chemical Composition

MnCO₃

Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rhodochrosite and Natrolite Chemical Formula

While comparing Rhodochrosite and Natrolite 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 Natrolite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodochrosite and Natrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Natrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Natrolite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.20-2.26 whereas that of Natrolite is 2.20-2.26.