Rhodochrosite and Pectolite Physical Properties

Rhodochrosite

Pectolite

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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

2.74-2.90

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

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

Perfect on {100} and {001}

1.7 Mohs Hardness

3.5-4

4.5-5

1.8 Chemical Composition

MnCO₃

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Rhodochrosite and Pectolite Chemical Formula

While comparing Rhodochrosite and Pectolite 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 Pectolite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Rhodochrosite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.