Actinolite and Londonite Physical Properties

Actinolite

Londonite

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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

3.00

3.34

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

perfect along {110}.

None

1.7 Mohs Hardness

5-6

Not Available

1.8 Chemical Composition

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

(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Actinolite and Londonite Chemical Formula

While comparing Actinolite and Londonite 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 Londonite chemical formula.

Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

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Actinolite and Londonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Actinolite and Londonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Actinolite and Londonite Optical Properties during the identification of gemstone. Specific gravity of Actinolite is 3.34 whereas that of Londonite is 3.34.