Apophyllite KF and Ruby Physical Properties

Apophyllite KF

Ruby

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.33-2.373.97-4.05

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Conchoidal

1.6 Cleavage

Perfect on {001}, imperfect on {110}

No true cleavage

1.7 Mohs Hardness

4.5-59

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Al ₂ O ₃

Apophyllite KF and Ruby Chemical Formula

While comparing Apophyllite KF and Ruby 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 Ruby chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Ruby- Al ₂ O ₃

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Apophyllite KF Vs Hauyne

Apophyllite KF Vs Langbeinite

Apophyllite KF and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Ruby Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 3.97-4.05 whereas that of Ruby is 3.97-4.05.