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Kainite
Kainite

Mottramite
Mottramite



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Kainite
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Mottramite

Kainite and Mottramite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
Soluble

Durability

-
-

Specific Gravity

2.155.9
1 7.18
👆🏻

Fracture

Splintery, Conchoidal
Sub-Conchoidal

Cleavage

{001}, perfect
None observed

Mohs Hardness

2.5-33
2 10
👆🏻

Chemical Composition

KMg(SO4)Cl
PbCu(VO4)(OH)

Kainite and Mottramite Chemical Formula

While comparing Kainite and Mottramite 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 Kainite and Mottramite chemical formula.

  • Chemical formula of Kainite- KMg(SO4)Cl
  • Chemical formula of Mottramite- PbCu(VO4)(OH)

Kainite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kainite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kainite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Kainite is 5.9 whereas that of Mottramite is 5.9.