Anglesite and Hollandite Physical Properties

Anglesite

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

6.30-6.395.05

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Brittle, Metallic

1.6 Cleavage

[001] good, [210] distinct

Distinct / Good, Prismatic

1.7 Mohs Hardness

3-3.54-6

2 10

1.8 Chemical Composition

PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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

Anglesite and Hollandite Chemical Formula

While comparing Anglesite 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 Anglesite and Hollandite chemical formula.

Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Anglesite and Hollandite Specific Gravity

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