Nickeline and Alexandrite Physical Properties

Nickeline

Alexandrite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.69-3.81

1 7.18

1.5 Fracture

Conchoidal, Uneven

Not Available

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

1,1 ; 3,2.

1.7 Mohs Hardness

5-5.58.5

2 10

1.8 Chemical Composition

Not Available

BeAl ₂ O ₄

Nickeline and Alexandrite Chemical Formula

While comparing Nickeline 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 Nickeline and Alexandrite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄

Compare Red Gemstones

Nickeline Vs Vanadinite

Nickeline Vs Sylvite

Nickeline Vs Titanite

Nickeline and Alexandrite Specific Gravity

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