Linarite and Agrellite Physical Properties

Linarite

Agrellite

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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

5.352.88

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect on {100}, imperfect on {001}

perfect [110]

1.7 Mohs Hardness

2.55.5

2 10

1.8 Chemical Composition

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

NaCa2Si4O10F

Linarite and Agrellite Chemical Formula

While comparing Linarite and Agrellite 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 Agrellite chemical formula.

Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Agrellite- NaCa2Si4O10F

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Linarite and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 2.88 whereas that of Agrellite is 2.88.