Hollandite and Fluorite Physical Properties

Hollandite

Fluorite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

5.053.00-3.25

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

Distinct / Good, Prismatic

Octahedral, perfect on {111}, parting on {011}

1.7 Mohs Hardness

4-64

2 10

1.8 Chemical Composition

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

CaF₂

Hollandite and Fluorite Chemical Formula

While comparing Hollandite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Fluorite- CaF₂

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Hollandite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.