Hollandite and Celestine Physical Properties

Hollandite

Celestine

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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

5.053.90-4.00

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

Distinct / Good, Prismatic

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

1.7 Mohs Hardness

4-63-3.5

2 10

1.8 Chemical Composition

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

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

Hollandite and Celestine Chemical Formula

While comparing Hollandite and Celestine 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 Hollandite and Celestine chemical formula.

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

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Hollandite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.