Alexandrite and Hackmanite Physical Properties

Alexandrite

Hackmanite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.812.27-2.33

1 7.18

1.5 Fracture

Not Available

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

1,1 ; 3,2.

Not Available

1.7 Mohs Hardness

8.55.5-6

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Alexandrite and Hackmanite Chemical Formula

While comparing Alexandrite and Hackmanite 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 Hackmanite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems for Scorpio

Alexandrite Vs Citrine

Alexandrite Vs Fluorite

Alexandrite Vs Gahnospinel

Alexandrite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.