Agate Opal and Mellite Physical Properties

Agate Opal

Mellite

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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

1.98-2.501.58-1.60

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

{011} Imperfect

1.7 Mohs Hardness

5.5-6.52

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Agate Opal and Mellite Chemical Formula

While comparing Agate Opal and Mellite 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 Agate Opal and Mellite chemical formula.

Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Compare Gems Found In Africa

Agate Opal Vs Anorthoclase

Agate Opal Vs Anorthite

Agate Opal Vs Anthophyllite

Agate Opal and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agate Opal and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate Opal and Mellite Optical Properties during the identification of gemstone. Specific gravity of Agate Opal is 1.58-1.60 whereas that of Mellite is 1.58-1.60.