Anglesite and Labradorite Physical Properties

Anglesite

Labradorite

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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

6.30-6.392.69-2.72

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

[001] good, [210] distinct

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

1.7 Mohs Hardness

3-3.56-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)_1-2Si_3-2O₈

Anglesite and Labradorite Chemical Formula

While comparing Anglesite and Labradorite 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 Labradorite chemical formula.

Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Anglesite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anglesite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anglesite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Anglesite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.