Actinolite and Danburite Physical Properties

Actinolite

Danburite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.002.97-3.03

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

perfect along {110}.

{001} Poor

1.7 Mohs Hardness

5-67

2 10

1.8 Chemical Composition

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

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Actinolite and Danburite Chemical Formula

While comparing Actinolite and Danburite 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 Danburite chemical formula.

Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Actinolite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Actinolite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Actinolite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Actinolite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.