Linarite and Anorthite Physical Properties

Linarite

Anorthite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.352.77

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {100}, imperfect on {001}

Perfect [001] good [010] poor [110]

1.7 Mohs Hardness

2.56-6.5

2 10

1.8 Chemical Composition

PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Linarite and Anorthite Chemical Formula

While comparing Linarite and Anorthite 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 Linarite and Anorthite chemical formula.

Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Linarite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 2.77 whereas that of Anorthite is 2.77.