Turquoise and Agrellite Physical Properties

Turquoise

Agrellite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.902.88

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Not Available

1.6 Cleavage

Good to perfect_usually N/A

perfect [110]

1.7 Mohs Hardness

5-65.5

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

NaCa2Si4O10F

Turquoise and Agrellite Chemical Formula

While comparing Turquoise 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 Turquoise and Agrellite chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
Chemical formula of Agrellite- NaCa2Si4O10F

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Turquoise and Agrellite Specific Gravity

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