Poldervaartite and Scolecite Physical Properties

Poldervaartite

Scolecite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.912.20-2.23

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven

1.6 Cleavage

None

Perfect on {110} and {1 1 0}

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Poldervaartite and Scolecite Chemical Formula

While comparing Poldervaartite and Scolecite 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 Scolecite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

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Poldervaartite and Scolecite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poldervaartite and Scolecite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Scolecite Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 2.20-2.23 whereas that of Scolecite is 2.20-2.23.