Anglesite and Sillimanite Physical Properties

Anglesite

Sillimanite

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1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.30-6.393.20-3.26

1 7.18

1.5 Fracture

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

Splintery

1.6 Cleavage

[001] good, [210] distinct

{010} perfect

1.7 Mohs Hardness

3-3.56-7.5

2 10

1.8 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Anglesite and Sillimanite Chemical Formula

While comparing Anglesite and Sillimanite 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 Sillimanite chemical formula.

Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Anglesite Vs Axinite

Anglesite Vs Augite

Anglesite Vs Astrophyllite

Anglesite and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anglesite and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anglesite and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Anglesite is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.