Alexandrite and Hyalite Physical Properties

Alexandrite

Hyalite

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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

3.69-3.81Not Available

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

1,1 ; 3,2.

Not Available

1.7 Mohs Hardness

8.55.5-6.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Alexandrite and Hyalite Chemical Formula

While comparing Alexandrite and Hyalite 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 Hyalite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Hyalite- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Compare Gems for Scorpio

Alexandrite Vs Citrine

Alexandrite Vs Gahnospinel

Alexandrite Vs Fluorite

Alexandrite and Hyalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Hyalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Hyalite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is Not Available whereas that of Hyalite is Not Available.