Pearl and Poldervaartite Physical Properties

Pearl

Poldervaartite

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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

2.60-2.852.91

1 7.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

Handbook of mineralogy (2001)

1.6 Cleavage

none

None

1.7 Mohs Hardness

2.5-4.5Not Available

2 10

1.8 Chemical Composition

Not Available

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

Pearl and Poldervaartite Chemical Formula

While comparing Pearl 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 Pearl 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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Pearl and Poldervaartite Specific Gravity

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