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Alunite
Alunite

Prasiolite
Prasiolite



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Alunite
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Prasiolite

Alunite and Prasiolite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.6-2.92.65
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
On {0001}, perfect
3,1
1.7 Mohs Hardness
3.5-47
Amber
2 10
1.8 Chemical Composition
KAl3(SO4)2(OH)6
SiO 2Ulrich Henn and Claudio C.

Alunite and Prasiolite Chemical Formula

While comparing Alunite and Prasiolite 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 Prasiolite chemical formula.

  • Chemical formula of Alunite- KAl3(SO4)2(OH)6
  • Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

Alunite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alunite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Alunite is 2.65 whereas that of Prasiolite is 2.65.