Alexandrite and Rose Quartz Physical Properties

Alexandrite

Rose Quartz

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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

3.69-3.81

2.65

1.5 Fracture

Not Available

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

1,1 ; 3,2.

Indiscernible

1.7 Mohs Hardness

8.5

1.8 Chemical Composition

BeAl ₂ O ₄

SiO₂

Alexandrite and Rose Quartz Chemical Formula

While comparing Alexandrite and Rose Quartz 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 Rose Quartz chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Rose Quartz- SiO₂

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Alexandrite Vs Fluorite

Alexandrite and Rose Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Rose Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Rose Quartz Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.65 whereas that of Rose Quartz is 2.65.