Kainite and Alunite Physical Properties

Kainite

Alunite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.152.6-2.9

1 7.18

1.5 Fracture

Splintery, Conchoidal, Brittle

Conchoidal, Uneven

1.6 Cleavage

{001}, perfect

On {0001}, perfect

1.7 Mohs Hardness

2.5-33.5-4

2 10

1.8 Chemical Composition

Not Available

KAl3(SO4)2(OH)6

Kainite and Alunite Chemical Formula

While comparing Kainite and Alunite 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 Alunite chemical formula.

Chemical formula of Alunite- KAl3(SO4)2(OH)6

Compare Blue Gemstones

Kainite Vs Sulfur

Kainite Vs Sylvite

Kainite Vs Scorodite

Kainite and Alunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kainite and Alunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kainite and Alunite Optical Properties during the identification of gemstone. Specific gravity of Kainite is 2.6-2.9 whereas that of Alunite is 2.6-2.9.