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Anthophyllite
Anthophyllite

Alexandrite
Alexandrite



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Anthophyllite
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Alexandrite

Anthophyllite and Alexandrite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.9-3.53.69-3.81
Amber
1 7.18
1.5 Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle
Not Available
1.6 Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
1,1 ; 3,2.
1.7 Mohs Hardness
5.5-68.5
Amber
2 10
1.8 Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
BeAl 2 O 4

Anthophyllite and Alexandrite Chemical Formula

While comparing Anthophyllite 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 Anthophyllite and Alexandrite chemical formula.

  • Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Alexandrite- BeAl 2 O 4

Anthophyllite and Alexandrite Specific Gravity

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