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Actinolite
Actinolite

Amethyst
Amethyst



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Actinolite
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Amethyst

Actinolite and Amethyst Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
insoluble in common solvents
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.00
2.65
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
perfect along {110}.
Indiscernible
1.7 Mohs Hardness
5-6
7
1.8 Chemical Composition
Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
SiO2

Actinolite and Amethyst Chemical Formula

While comparing Actinolite and Amethyst 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 Amethyst chemical formula.

  • Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
  • Chemical formula of Amethyst- SiO2

Actinolite and Amethyst Specific Gravity

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

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