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Alunite
Alunite

Jeremejevite
Jeremejevite



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Alunite
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Jeremejevite

Alunite and Jeremejevite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.6-2.93.28-3.31
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
On {0001}, perfect
None observed
1.7 Mohs Hardness
3.5-46.5-7.5
Amber
2 10
1.8 Chemical Composition
KAl3(SO4)2(OH)6
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

Alunite and Jeremejevite Chemical Formula

While comparing Alunite and Jeremejevite 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 Alunite and Jeremejevite chemical formula.

  • Chemical formula of Alunite- KAl3(SO4)2(OH)6
  • Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

Alunite and Jeremejevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alunite and Jeremejevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite and Jeremejevite Optical Properties during the identification of gemstone. Specific gravity of Alunite is 3.28-3.31 whereas that of Jeremejevite is 3.28-3.31.