Alexandrite and Chalcopyrite Physical Properties

Alexandrite

Chalcopyrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.814.1-4.3

1 7.18

1.5 Fracture

Not Available

Uneven, Brittle, Metallic

1.6 Cleavage

1,1 ; 3,2.

Indistinct on {011}

1.7 Mohs Hardness

8.53.5-4

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

CuFeS 2Anthony et al , Handbook of mineralogy (2001)

Alexandrite and Chalcopyrite Chemical Formula

While comparing Alexandrite and Chalcopyrite 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 Chalcopyrite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)

Compare Gems for Scorpio

Alexandrite Vs Fluorite

Alexandrite Vs Citrine

Alexandrite Vs Gahnospinel

Alexandrite and Chalcopyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Chalcopyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Chalcopyrite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 4.1-4.3 whereas that of Chalcopyrite is 4.1-4.3.