Actinolite and Fluorite Physical Properties

Actinolite

Fluorite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

3.003.00-3.25

1 7.18

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Fracture

Uneven, Splintery

Subconchoidal, Uneven, ConchoidalWalter Schumann

Cleavage

perfect along {110}.

Octahedral, perfect on {111}, parting on {011}

Mohs Hardness

5-64

2 10

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Chemical Composition

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

CaF₂

Actinolite and Fluorite Chemical Formula

While comparing Actinolite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Fluorite- CaF₂

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Actinolite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Actinolite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Actinolite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Actinolite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.