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Apophyllite KF
Apophyllite KF
☒

Vivianite
Vivianite
☒



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Apophyllite KF
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Vivianite

Apophyllite KF and Vivianite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.33-2.37
Uneven
Perfect on {001}, imperfect on {110}
4.5-5
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
 
-
-
-
2.64-2.70
-
{010} Perfect
-9999
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Apophyllite KF and Vivianite Chemical Formula

While comparing Apophyllite KF and Vivianite 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 Vivianite chemical formula.

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Apophyllite KF and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF Vs Vivianite during the identification of gemstone. Specific gravity of Apophyllite KF is whereas that of Vivianite is .