Agate Opal and Almandine Physical Properties

Agate Opal

Almandine

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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

1.98-2.503.95-4.30

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

none

1.7 Mohs Hardness

5.5-6.57-7.5

2 10

1.8 Chemical Composition

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

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

Agate Opal and Almandine Chemical Formula

While comparing Agate Opal and Almandine 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 Almandine chemical formula.

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

Compare Gems Found In Africa

Agate Opal Vs Anorthoclase

Agate Opal Vs Anthophyllite

Agate Opal Vs Anorthite

Agate Opal and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agate Opal and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate Opal and Almandine Optical Properties during the identification of gemstone. Specific gravity of Agate Opal is 3.95-4.30 whereas that of Almandine is 3.95-4.30.