Alunite and Euclase Physical Properties

Alunite

Euclase

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.93.08-3.12

1 7.18

1.5 Fracture

Conchoidal, Uneven

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic

1.6 Cleavage

On {0001}, perfect

{010} Perfect

1.7 Mohs Hardness

3.5-47.5

2 10

1.8 Chemical Composition

KAl3(SO4)2(OH)6

BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Alunite and Euclase Chemical Formula

While comparing Alunite and Euclase 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 Euclase chemical formula.

Chemical formula of Alunite- KAl3(SO4)2(OH)6
Chemical formula of Euclase- BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Alunite and Euclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alunite and Euclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite and Euclase Optical Properties during the identification of gemstone. Specific gravity of Alunite is 3.08-3.12 whereas that of Euclase is 3.08-3.12.