Hurlbutite and Hollandite Physical Properties

Hurlbutite

Hollandite

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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

2.905.05

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

None

Distinct / Good, Prismatic

1.7 Mohs Hardness

64-6

2 10

1.8 Chemical Composition

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Hurlbutite and Hollandite Chemical Formula

While comparing Hurlbutite 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 Hurlbutite and Hollandite chemical formula.

Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Hurlbutite and Hollandite Specific Gravity

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