Celestine and Hollandite Physical Properties

Celestine

Hollandite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.005.05

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Brittle, Metallic

1.6 Cleavage

Perfect on {001}, good on {210}, poor on {010}

Distinct / Good, Prismatic

1.7 Mohs Hardness

3-3.54-6

2 10

1.8 Chemical Composition

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Celestine and Hollandite Chemical Formula

While comparing Celestine 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 Celestine and Hollandite chemical formula.

Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Celestine and Hollandite Specific Gravity

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