Caledonite and Biotite Physical Properties

Caledonite

Biotite

Add ⊕

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

5.6-5.76

Uneven

[001] perfect; [100] distinct

2.5-3

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Brittle

2.7-3.3

Uneven, Even

Perfect on the {001}

2.5-3.0

K(Mg,Fe++)3[AlSi3O10(OH,F)2

Caledonite and Biotite Chemical Formula

While comparing Caledonite and Biotite 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 Caledonite and Biotite chemical formula.

Compare Blue Gemstones

Caledonite Vs Cordierite Iolite

Caledonite Vs Covellite

Caledonite Vs Cyprine of Berzelius

Caledonite and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite Vs Biotite during the identification of gemstone. Specific gravity of Caledonite is whereas that of Biotite is .