Kainite and Poldervaartite Physical Properties

Kainite

Poldervaartite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.152.91

1 7.18

1.5 Fracture

Splintery, Conchoidal, Brittle

Handbook of mineralogy (2001)

1.6 Cleavage

{001}, perfect

None

1.7 Mohs Hardness

2.5-3Not Available

2 10

1.8 Chemical Composition

Not Available

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

Kainite and Poldervaartite Chemical Formula

While comparing Kainite 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 Kainite 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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Kainite and Poldervaartite Specific Gravity

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