Scolecite and Vivianite Physical Properties

Scolecite

Vivianite

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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

2.20-2.232.64-2.70

1 7.18

1.5 Fracture

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

(e.g. graphite).

1.6 Cleavage

Perfect on {110} and {1 1 0}

{010} Perfect

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Scolecite and Vivianite Chemical Formula

While comparing Scolecite and Vivianite 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 Vivianite chemical formula.

Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Compare Gems Found In Australia

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Scolecite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scolecite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scolecite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Scolecite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.