Turquoise and Milarite Physical Properties

Turquoise

Milarite

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Physical Properties

Tenacity

Solubility

Soluble

Durability

Specific Gravity

2.30-2.902.52-2.60

1 7.18

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Fracture

Conchoidal

Uneven, Conchoidal

Cleavage

Good to perfect_usually N/A

{0001} Imperfect, {1120} Imperfect

Mohs Hardness

5-65.5-6

2 10

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Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Turquoise and Milarite Chemical Formula

While comparing Turquoise and Milarite 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 Milarite chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Turquoise and Milarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Milarite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.52-2.60 whereas that of Milarite is 2.52-2.60.