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Dioptase
Dioptase

Apophyllite KF
Apophyllite KF



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Dioptase
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Apophyllite KF

Dioptase and Apophyllite KF Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.25-3.352.33-2.37
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Uneven, Brittle, Uneven, Brittle, Uneven
1.6 Cleavage
Perfect in three directions
Perfect on {001}, imperfect on {110}
1.7 Mohs Hardness
54.5-5
Amber
2 10
1.8 Chemical Composition
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Dioptase and Apophyllite KF Chemical Formula

While comparing Dioptase 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 Dioptase and Apophyllite KF chemical formula.

  • Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

Dioptase and Apophyllite KF Specific Gravity

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