Hollandite and Ajoite Physical Properties

Hollandite

Ajoite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

5.052.96

1 7.18

1.5 Fracture

Brittle, Metallic

Not Available

1.6 Cleavage

Distinct / Good, Prismatic

Perfect on {010}

1.7 Mohs Hardness

4-65

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Hollandite and Ajoite Chemical Formula

While comparing Hollandite and Ajoite 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 Ajoite chemical formula.

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

Compare Grey Gemstones

Hollandite Vs Larvikite

Hollandite Vs Musgravite

Hollandite Vs Falcons Eye

Hollandite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.96 whereas that of Ajoite is 2.96.