Rosasite and Poldervaartite Physical Properties

Rosasite

Poldervaartite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.22.91

1 7.18

1.5 Fracture

Splintery

Handbook of mineralogy (2001)

1.6 Cleavage

Perfect on {100} and {010}

None

1.7 Mohs Hardness

4Not Available

2 10

1.8 Chemical Composition

Not Available

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Rosasite and Poldervaartite Chemical Formula

While comparing Rosasite and Poldervaartite 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 Rosasite and Poldervaartite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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Rosasite and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rosasite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rosasite and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Rosasite is 2.91 whereas that of Poldervaartite is 2.91.