×

Apophyllite KF
Apophyllite KF

Gahnite
Gahnite



ADD
Compare
X
Apophyllite KF
X
Gahnite

Apophyllite KF and Gahnite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.33-2.374.00-4.62
Amber
1 7.18
1.5 Fracture
Uneven, Brittle, Uneven, Brittle, Uneven
Conchoidal, Uneven
1.6 Cleavage
Perfect on {001}, imperfect on {110}
Indistinct parting on [111]
1.7 Mohs Hardness
4.5-57.5-8
Amber
2 10
1.8 Chemical Composition
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Apophyllite KF and Gahnite Chemical Formula

While comparing Apophyllite KF and Gahnite 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 Gahnite chemical formula.

  • Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
  • Chemical formula of Gahnite- ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Apophyllite KF and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.