Baddeleyite and Apophyllite KF Physical Properties

Baddeleyite

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

5.5-6.02.33-2.37

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

{001} Distinct

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

6.54.5-5

2 10

1.8 Chemical Composition

ZrO 2Arthur Thomas , Gemstones (2009)

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Baddeleyite and Apophyllite KF Chemical Formula

While comparing Baddeleyite 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 Baddeleyite and Apophyllite KF chemical formula.

Chemical formula of Baddeleyite- ZrO 2Arthur Thomas , Gemstones (2009)
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

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Baddeleyite and Apophyllite KF Specific Gravity

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