Apophyllite KF and Catapleiite Physical Properties

Apophyllite KF

Catapleiite

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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

2.33-2.372.72

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect on {001}, imperfect on {110}

{110} Perfect, {010} Perfect

1.7 Mohs Hardness

4.5-55-6

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

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

Apophyllite KF and Catapleiite Chemical Formula

While comparing Apophyllite KF and Catapleiite 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 Apophyllite KF and Catapleiite chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Apophyllite KF Vs Nepouite

Apophyllite KF Vs Hauyne

Apophyllite KF Vs Langbeinite

Apophyllite KF and Catapleiite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Catapleiite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Catapleiite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 2.72 whereas that of Catapleiite is 2.72.