Hollandite and Mellite Physical Properties

Hollandite

Mellite

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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

5.051.58-1.60

1 7.18

1.5 Fracture

Brittle, Metallic

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Distinct / Good, Prismatic

{011} Imperfect

1.7 Mohs Hardness

4-62

2 10

1.8 Chemical Composition

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

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Hollandite and Mellite Chemical Formula

While comparing Hollandite and Mellite 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 Mellite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Compare Grey Gemstones

Hollandite Vs Larvikite

Hollandite Vs Musgravite

Hollandite Vs Falcons Eye

Hollandite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.