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Microcline
Microcline

Alunite
Alunite



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Microcline
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Alunite

Microcline and Alunite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.632.6-2.9
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems
Conchoidal, Uneven
1.6 Cleavage
{001} Perfect, {010} Good
On {0001}, perfect
1.7 Mohs Hardness
6-6.53.5-4
Amber
2 10
1.8 Chemical Composition
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
KAl3(SO4)2(OH)6

Microcline and Alunite Chemical Formula

While comparing Microcline 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 Microcline and Alunite chemical formula.

  • Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)
  • Chemical formula of Alunite- KAl3(SO4)2(OH)6

Microcline and Alunite Specific Gravity

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