Microcline and Biotite Physical Properties

Microcline

Biotite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.632.7-3.3

1 7.18

1.5 Fracture

Uneven, Uneven, Gems

Uneven, Even, Yellow, White

1.6 Cleavage

{001} Perfect, {010} Good

Perfect on the {001}

1.7 Mohs Hardness

6-6.52.5-3.0

2 10

1.8 Chemical Composition

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

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

Microcline and Biotite Chemical Formula

While comparing Microcline 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 Microcline and Biotite chemical formula.

Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

Compare Blue Gemstones

Microcline Vs Pearl

Microcline Vs Papagoite

Microcline Vs Padparadscha

Microcline and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microcline and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microcline and Biotite Optical Properties during the identification of gemstone. Specific gravity of Microcline is 2.7-3.3 whereas that of Biotite is 2.7-3.3.