Grandidierite and Anglesite Physical Properties

Grandidierite

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

2.85-3.006.30-6.39

1 7.18

1.5 Fracture

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

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

1.6 Cleavage

Perfect

[001] good, [210] distinct

1.7 Mohs Hardness

7.53-3.5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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

Grandidierite and Anglesite Chemical Formula

While comparing Grandidierite 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 Grandidierite and Anglesite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Grandidierite and Anglesite Specific Gravity

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