Kunzite and Alexandrite Physical Properties

Kunzite

Alexandrite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.213.69-3.81

1 7.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

Not Available

1.6 Cleavage

1,2 prismatic

1,1 ; 3,2.

1.7 Mohs Hardness

6-78.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

BeAl ₂ O ₄

Kunzite and Alexandrite Chemical Formula

While comparing Kunzite and Alexandrite 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 Kunzite and Alexandrite chemical formula.

Chemical formula of Kunzite- LiAlSi₂O₆
Chemical formula of Alexandrite- BeAl ₂ O ₄

Compare Gems for Taurus » More

Kunzite Vs Iolite

Kunzite Vs Sapphire

Kunzite Vs Kyanite

» More

More Compare Gems for Taurus

Kunzite and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kunzite and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kunzite and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Kunzite is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.