Adamite and Apophyllite Physical Properties

Adamite

Apophyllite

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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

4.32-4.48

2.30-2.50

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{101}, good; {010}, poor

Perfect on (001)

1.7 Mohs Hardness

3.5

4.5-5

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Adamite and Apophyllite Chemical Formula

While comparing Adamite and Apophyllite 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 Adamite and Apophyllite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Adamite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.