Poudretteite and Scolecite Physical Properties

Poudretteite

Scolecite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.532.20-2.23

1 7.18

1.5 Fracture

Conchoidal, Splintery

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

55-5.5

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Poudretteite and Scolecite Chemical Formula

While comparing Poudretteite 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 Poudretteite and Scolecite chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Compare Violet Gemstones

Poudretteite Vs Rutilated Quartz

Poudretteite Vs Sapphire

Poudretteite Vs Rubellite

Poudretteite and Scolecite Specific Gravity

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