Jade and Apophyllite KF Physical Properties

Jade

Apophyllite KF

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.382.33-2.37

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

1 or 2,2 prismatic.

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

6-74.5-5

2 10

1.8 Chemical Composition

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

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Jade and Apophyllite KF Chemical Formula

While comparing Jade and Apophyllite KF 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 Jade and Apophyllite KF chemical formula.

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

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Jade and Apophyllite KF Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.