Alexandrite and Smithsonite Physical Properties

Alexandrite

Smithsonite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.814.00-4.65

1 7.18

1.5 Fracture

Not Available

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

1,1 ; 3,2.

Perfect on [1011]

1.7 Mohs Hardness

8.55-5.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Alexandrite and Smithsonite Chemical Formula

While comparing Alexandrite and Smithsonite 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 Smithsonite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems for Scorpio

Alexandrite Vs Gahnospinel

Alexandrite Vs Citrine

Alexandrite Vs Fluorite

Alexandrite and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.