Alexandrite and Seraphinite Physical Properties

Alexandrite

Seraphinite

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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

3.69-3.812.60-3.02

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

1,1 ; 3,2.

Not Available

1.7 Mohs Hardness

8.5Not Available

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

Alexandrite and Seraphinite Chemical Formula

While comparing Alexandrite and Seraphinite 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 Seraphinite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Seraphinite- (Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

Compare Gems for Scorpio

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Alexandrite Vs Fluorite

Alexandrite and Seraphinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Seraphinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Seraphinite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.60-3.02 whereas that of Seraphinite is 2.60-3.02.