Apophyllite KF and Brucite Physical Properties

Apophyllite KF

Brucite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.33-2.372.39

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Irregular

1.6 Cleavage

Perfect on {001}, imperfect on {110}

Perfect on {0001}

1.7 Mohs Hardness

4.5-52.5

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Apophyllite KF and Brucite Chemical Formula

While comparing Apophyllite KF and Brucite 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 Brucite chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Apophyllite KF Vs Nepouite

Apophyllite KF Vs Langbeinite

Apophyllite KF Vs Hauyne

Apophyllite KF and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Brucite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 2.39 whereas that of Brucite is 2.39.