Sonolite and Alexandrite Physical Properties

Sonolite

Alexandrite

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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

3.82-4.003.69-3.81

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

{???} Indistinct

1,1 ; 3,2.

1.7 Mohs Hardness

5.58.5

2 10

1.8 Chemical Composition

Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)

BeAl ₂ O ₄

Sonolite and Alexandrite Chemical Formula

While comparing Sonolite 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 Sonolite and Alexandrite chemical formula.

Chemical formula of Sonolite- Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Alexandrite- BeAl ₂ O ₄

Compare Brown Gemstones

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Sonolite Vs Tortoiseshell

Sonolite Vs Tourmaline

Sonolite and Alexandrite Specific Gravity

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