Catapleiite and Apophyllite Physical Properties

Catapleiite

Apophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.722.30-2.50

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} Perfect, {010} Perfect

Perfect on (001)

1.7 Mohs Hardness

5-64.5-5

2 10

1.8 Chemical Composition

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Catapleiite and Apophyllite Chemical Formula

While comparing Catapleiite 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 Catapleiite and Apophyllite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Catapleiite and Apophyllite Specific Gravity

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