Bayldonite and Alexandrite Physical Properties

Bayldonite

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

5.50

3.69-3.81

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

None

1,1 ; 3,2.

1.7 Mohs Hardness

4.5

8.5

1.8 Chemical Composition

(Cu,Zn)3Pb(AsO3OH)2(OH)2

BeAl ₂ O ₄

Bayldonite and Alexandrite Chemical Formula

While comparing Bayldonite 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 Bayldonite and Alexandrite chemical formula.

Chemical formula of Bayldonite- (Cu,Zn)3Pb(AsO3OH)2(OH)2
Chemical formula of Alexandrite- BeAl ₂ O ₄

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Bayldonite and Alexandrite Specific Gravity

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