Apophyllite KF and Adamite Physical Properties

Apophyllite KF

Adamite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.33-2.374.32-4.48

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect on {001}, imperfect on {110}

{101}, good; {010}, poor

1.7 Mohs Hardness

4.5-53.5

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Apophyllite KF and Adamite Chemical Formula

While comparing Apophyllite KF and Adamite 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 Adamite chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Compare Green Gemstones

Apophyllite KF Vs Langbeinite

Apophyllite KF Vs Hauyne

Apophyllite KF Vs Nepouite

Apophyllite KF and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Adamite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 4.32-4.48 whereas that of Adamite is 4.32-4.48.