Biotite and Bayldonite Physical Properties

Biotite

Bayldonite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.7-3.35.50

1 7.18

1.5 Fracture

Uneven, Even, Yellow, White

Uneven

1.6 Cleavage

Perfect on the {001}

None

1.7 Mohs Hardness

2.5-3.04.5

2 10

1.8 Chemical Composition

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

(Cu,Zn)3Pb(AsO3OH)2(OH)2

Biotite and Bayldonite Chemical Formula

While comparing Biotite and Bayldonite 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 Biotite and Bayldonite chemical formula.

Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2
Chemical formula of Bayldonite- (Cu,Zn)3Pb(AsO3OH)2(OH)2

Compare Yellow Gemstones

Biotite Vs Hauyne

Biotite Vs Gyrolite

Biotite Vs Hanksite

Biotite and Bayldonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Bayldonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Bayldonite Optical Properties during the identification of gemstone. Specific gravity of Biotite is 5.50 whereas that of Bayldonite is 5.50.