Rose Quartz and Alexandrite Physical Properties

Rose Quartz

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

2.653.69-3.81

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Indiscernible

1,1 ; 3,2.

1.7 Mohs Hardness

78.5

2 10

1.8 Chemical Composition

SiO₂

BeAl ₂ O ₄

Rose Quartz and Alexandrite Chemical Formula

While comparing Rose Quartz 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 Rose Quartz and Alexandrite chemical formula.

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

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Rose Quartz and Alexandrite Specific Gravity

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