Apophyllite KF and Chrysoprase Physical Properties

Apophyllite KF

Chrysoprase

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.3 Solubility

Not Available

1.4 Durability

Not Available

1.5 Specific Gravity

2.33-2.372.58-2.64

1 7.18

1.4 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Gems, Sixth Edition (2006)

1.5 Cleavage

Perfect on {001}, imperfect on {110}

None

1.6 Mohs Hardness

4.5-56.5-7

2 10

1.9 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

SiO₂ (with a high level of nickel impurities )

Apophyllite KF and Chrysoprase Chemical Formula

While comparing Apophyllite KF and Chrysoprase 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 Chrysoprase chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Apophyllite KF and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.