Apophyllite KF and Labradorite Physical Properties

Apophyllite KF

Labradorite

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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

2.33-2.372.69-2.72

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {001}, imperfect on {110}

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

1.7 Mohs Hardness

4.5-56-6.5

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

(Na,Ca)_1-2Si_3-2O₈

Apophyllite KF and Labradorite Chemical Formula

While comparing Apophyllite KF and Labradorite 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 Labradorite chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

Compare Green Gemstones

Apophyllite KF Vs Langbeinite

Apophyllite KF Vs Hauyne

Apophyllite KF Vs Nepouite

Apophyllite KF and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.