Norbergite and Anglesite Physical Properties

Norbergite

Anglesite

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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

3.1776.30-6.39

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{???} Distinct

[001] good, [210] distinct

1.7 Mohs Hardness

6-6.53-3.5

2 10

1.8 Chemical Composition

Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

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

Norbergite and Anglesite Chemical Formula

While comparing Norbergite and Anglesite 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 Norbergite and Anglesite chemical formula.

Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Norbergite and Anglesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Anglesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Anglesite Optical Properties during the identification of gemstone. Specific gravity of Norbergite is 6.30-6.39 whereas that of Anglesite is 6.30-6.39.