Langbeinite and Apophyllite KF Physical Properties

Langbeinite

Apophyllite KF

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.33-2.37

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

None

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

3.5-44.5-5

2 10

1.8 Chemical Composition

Not Available

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Langbeinite and Apophyllite KF Chemical Formula

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

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

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Langbeinite and Apophyllite KF Specific Gravity

Another important criteria for qualitative analysis of gemstones is Langbeinite and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.