Pectolite and Apophyllite Physical Properties

Pectolite

Apophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-2.902.30-2.50

1 7.18

1.5 Fracture

Uneven, Gemstones (2009), Splintery

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {100} and {001}

Perfect on (001)

1.7 Mohs Hardness

4.5-54.5-5

2 10

1.8 Chemical Composition

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Pectolite and Apophyllite Chemical Formula

While comparing Pectolite and Apophyllite 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 Pectolite and Apophyllite chemical formula.

Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Compare Colorless Gems

Pectolite Vs Pleonaste

Pectolite Vs Phosphophyllite

Pectolite Vs Phosphosiderite

Pectolite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.