Alexandrite and Jade Physical Properties

Alexandrite

Jade

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.812.90-3.38

1 7.18

1.5 Fracture

Not Available

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

1,1 ; 3,2.

1 or 2,2 prismatic.

1.7 Mohs Hardness

8.56-7

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Alexandrite and Jade Chemical Formula

While comparing Alexandrite and Jade 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 Jade chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Compare Gems for Scorpio

Alexandrite Vs Gahnospinel

Alexandrite Vs Fluorite

Alexandrite Vs Citrine

Alexandrite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Jade Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.90-3.38 whereas that of Jade is 2.90-3.38.