Actinolite and Pyrope Almandine Physical Properties

Actinolite

Pyrope Almandine

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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

3.003.62-4.20

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

1.6 Cleavage

perfect along {110}.

Not Available

1.7 Mohs Hardness

5-67-7.5

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

Actinolite and Pyrope Almandine Chemical Formula

While comparing Actinolite and Pyrope Almandine 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 Pyrope Almandine chemical formula.

Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

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Actinolite and Pyrope Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Actinolite and Pyrope Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Actinolite and Pyrope Almandine Optical Properties during the identification of gemstone. Specific gravity of Actinolite is 3.62-4.20 whereas that of Pyrope Almandine is 3.62-4.20.