Ajoite and Hollandite Physical Properties

Ajoite

Hollandite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.965.05

1 7.18

1.5 Fracture

Not Available

Brittle, Metallic

1.6 Cleavage

Perfect on {010}

Distinct / Good, Prismatic

1.7 Mohs Hardness

54-6

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Hollandite Chemical Formula

While comparing Ajoite 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 Ajoite and Hollandite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Ajoite and Hollandite Specific Gravity

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