Alexandrite and Microcline Physical Properties

Alexandrite

Microcline

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.812.55-2.63

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Gems

1.6 Cleavage

1,1 ; 3,2.

{001} Perfect, {010} Good

1.7 Mohs Hardness

8.56-6.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Alexandrite and Microcline Chemical Formula

While comparing Alexandrite and Microcline 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 Alexandrite and Microcline chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Compare Gems for Scorpio

Alexandrite Vs Fluorite

Alexandrite Vs Gahnospinel

Alexandrite Vs Citrine

Alexandrite and Microcline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Microcline Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.55-2.63 whereas that of Microcline is 2.55-2.63.