Poldervaartite and Coral Physical Properties

Poldervaartite

Coral

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.91

2.60-2.70

1.5 Fracture

Handbook of mineralogy (2001)

Irregular, Irregular, Gemstones of the world (2001)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

Not Available

3-4

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Poldervaartite and Coral Chemical Formula

While comparing Poldervaartite and Coral 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 Poldervaartite and Coral chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

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Poldervaartite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poldervaartite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Coral Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 2.60-2.70 whereas that of Coral is 2.60-2.70.