Fuchsite and Apophyllite KF Physical Properties

Fuchsite

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

2.77-2.882.33-2.37

1 7.18

1.5 Fracture

Uneven

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Perfect basal

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

2.54.5-5

2 10

1.8 Chemical Composition

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Fuchsite and Apophyllite KF Chemical Formula

While comparing Fuchsite 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 Fuchsite and Apophyllite KF chemical formula.

Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

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Fuchsite and Apophyllite KF Specific Gravity

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