Apophyllite KF and Catapleiite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.33-2.37
2.72
Fracture
Uneven, Brittle, Uneven, Brittle, Uneven
Brittle, Metallic, Brittle, Metallic
Cleavage
Perfect on {001}, imperfect on {110}
{110} Perfect, {010} Perfect
Chemical Composition
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Apophyllite KF and Catapleiite Chemical Formula
While comparing Apophyllite KF and Catapleiite 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 Catapleiite chemical formula.
- Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
- Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Apophyllite KF and Catapleiite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Catapleiite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Catapleiite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 2.72 whereas that of Catapleiite is 2.72.