Melanite and Agate Opal Physical Properties

Melanite

Agate Opal

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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

3.70-4.101.98-2.50

1 7.18

2.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Gemstones of the world (2001)

2.6 Cleavage

Not Available

2.7 Mohs Hardness

6.5-75.5-6.5

2 10

2.11 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Melanite and Agate Opal Chemical Formula

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

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Melanite and Agate Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Melanite and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Melanite is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.