Scolecite and Astrophyllite Physical Properties

Scolecite

Astrophyllite

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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

2.20-2.233.2-3.4

1 7.18

1.5 Fracture

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

Uneven, Brittle, Metallic

1.6 Cleavage

Perfect on {110} and {1 1 0}

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

5-5.53

2 10

1.8 Chemical Composition

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

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Scolecite and Astrophyllite Chemical Formula

While comparing Scolecite and Astrophyllite 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 Astrophyllite chemical formula.

Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Compare Gems Found In Australia

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Scolecite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scolecite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scolecite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Scolecite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.