Serendibite and Hollandite Physical Properties

Serendibite

Hollandite

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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

3.43-3.445.05

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Brittle, Metallic

1.6 Cleavage

None Observed

Distinct / Good, Prismatic

1.7 Mohs Hardness

6.5-74-6

2 10

1.8 Chemical Composition

Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ba(Mn++++,Mn++)8O16

Serendibite and Hollandite Chemical Formula

While comparing Serendibite and Hollandite 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 Serendibite and Hollandite chemical formula.

Chemical formula of Serendibite- Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Serendibite and Hollandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Serendibite and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Serendibite and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Serendibite is 5.05 whereas that of Hollandite is 5.05.