Creedite and Scolecite Physical Properties

Creedite

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

2.702.20-2.23

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

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

1.6 Cleavage

Perfect on {100}

Perfect on {110} and {1 1 0}

1.7 Mohs Hardness

4.55-5.5

2 10

1.8 Chemical Composition

Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

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

Creedite and Scolecite Chemical Formula

While comparing Creedite 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 Creedite and Scolecite chemical formula.

Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Compare Colorless Gems

Creedite Vs Dravite

Creedite Vs Diopside

Creedite Vs Diaspore

Creedite and Scolecite Specific Gravity

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