Scolecite and Dumortierite Physical Properties

Scolecite

Dumortierite

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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

2.20-2.233.26-3.41

1 7.18

1.5 Fracture

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

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

Perfect on {110} and {1 1 0}

Distinct on {100}, poor on {110}; parting on {001}

1.7 Mohs Hardness

5-5.57-8.5

2 10

1.8 Chemical Composition

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

AlAl₆O₃BSi₃O₁₈

Scolecite and Dumortierite Chemical Formula

While comparing Scolecite and Dumortierite 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 Dumortierite chemical formula.

Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Scolecite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scolecite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scolecite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Scolecite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.