Scolecite and Hackmanite Physical Properties

Scolecite

Hackmanite

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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

2.20-2.232.27-2.33

1 7.18

2.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

2.6 Cleavage

Perfect on {110} and {1 1 0}

Not Available

2.7 Mohs Hardness

5-5.55.5-6

2 10

2.11 Chemical Composition

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

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Scolecite and Hackmanite Chemical Formula

While comparing Scolecite and Hackmanite 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 Scolecite and Hackmanite chemical formula.

Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Scolecite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scolecite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scolecite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Scolecite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.