Chrome Tourmaline and Apophyllite KF Physical Properties

Chrome Tourmaline

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

2.85-3.352.33-2.37

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

3,2

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

7-7.54.5-5

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas.

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Chrome Tourmaline and Apophyllite KF Chemical Formula

While comparing Chrome Tourmaline 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 Chrome Tourmaline and Apophyllite KF chemical formula.

Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

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Chrome Tourmaline and Apophyllite KF Specific Gravity

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