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Actinolite
Actinolite

Afghanite
Afghanite



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Actinolite
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Afghanite

Actinolite and Afghanite 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
3.002.55-2.65
Amber
1 7.18
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
1.6 Cleavage
perfect along {110}.
Perfect {10 1 0}
1.7 Mohs Hardness
5-65.5-6
Amber
2 10
1.8 Chemical Composition
Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Actinolite and Afghanite Chemical Formula

While comparing Actinolite and Afghanite 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 Actinolite and Afghanite chemical formula.

  • Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
  • Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Actinolite and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Actinolite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Actinolite and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Actinolite is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.