Apophyllite KF and Jade Physical Properties

Apophyllite KF

Jade

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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

2.33-2.372.90-3.38

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

Perfect on {001}, imperfect on {110}

1 or 2,2 prismatic.

1.7 Mohs Hardness

4.5-56-7

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Apophyllite KF and Jade Chemical Formula

While comparing Apophyllite KF and Jade 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 Jade chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Apophyllite KF Vs Nepouite

Apophyllite KF and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Jade Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 2.90-3.38 whereas that of Jade is 2.90-3.38.