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Chrome Pyrope
Chrome Pyrope

Alexandrite
Alexandrite



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Chrome Pyrope
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Alexandrite

Chrome Pyrope and Alexandrite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.62-3.803.69-3.81
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

None
1,1 ; 3,2.

Mohs Hardness

7-7.58.5
2 10
👆🏻

Chemical Composition

Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
BeAl 2 O 4

Chrome Pyrope and Alexandrite Chemical Formula

While comparing Chrome Pyrope 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 Chrome Pyrope and Alexandrite chemical formula.

  • Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
  • Chemical formula of Alexandrite- BeAl 2 O 4

Chrome Pyrope and Alexandrite Specific Gravity

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