Chrome Tourmaline and Alunite Physical Properties

Chrome Tourmaline

Alunite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.352.6-2.9

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Uneven

1.6 Cleavage

3,2

On {0001}, perfect

1.7 Mohs Hardness

7-7.53.5-4

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas.

KAl3(SO4)2(OH)6

Chrome Tourmaline and Alunite Chemical Formula

While comparing Chrome Tourmaline 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 Chrome Tourmaline and Alunite chemical formula.

Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
Chemical formula of Alunite- KAl3(SO4)2(OH)6

Compare Blue Gemstones

Chrome Tourmaline Vs Covellite

Chrome Tourmaline Vs Cyprine of Berzelius

Chrome Tourmaline Vs Diamond

Chrome Tourmaline and Alunite Specific Gravity

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