Afghanite and Anglesite Physical Properties

Afghanite

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

2.55-2.65

6.30-6.39

1.5 Fracture

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

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

1.6 Cleavage

Perfect {10 1 0}

[001] good, [210] distinct

1.7 Mohs Hardness

5.5-6

3-3.5

1.8 Chemical Composition

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

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

Afghanite and Anglesite Chemical Formula

While comparing Afghanite 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 Afghanite and Anglesite chemical formula.

Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Blue Gemstones

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Afghanite Vs Kainite

Afghanite and Anglesite Specific Gravity

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