Agate and Apophyllite Physical Properties

Agate

Apophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.64

2.30-2.50

1.5 Fracture

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indiscernible

Perfect on (001)

1.7 Mohs Hardness

6.5-7

4.5-5

1.8 Chemical Composition

SiO₂

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

Agate and Apophyllite Chemical Formula

While comparing Agate 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 Agate and Apophyllite chemical formula.

Chemical formula of Agate- SiO₂
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Agate and Apophyllite Specific Gravity

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