Titanite and Alunite Physical Properties

Titanite

Alunite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.48-3.602.6-2.9

1 7.18

1.5 Fracture

Sub-Conchoidal, Conchoidal, Brittle

Conchoidal, Uneven

1.6 Cleavage

Distinct on [110], parting on {221}

On {0001}, perfect

1.7 Mohs Hardness

5-5.53.5-4

2 10

1.8 Chemical Composition

Not Available

KAl3(SO4)2(OH)6

Titanite and Alunite Chemical Formula

While comparing Titanite 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 Titanite and Alunite chemical formula.

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

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Titanite and Alunite Specific Gravity

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