Agrellite and Prase Opal Physical Properties

Agrellite

Prase 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

2.881.98-2.25

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

perfect [110]

Not Available

1.7 Mohs Hardness

5.55-6.5

2 10

1.8 Chemical Composition

NaCa2Si4O10F

SiO 2 + H 2OUlrich Henn and Claudio C.

Agrellite and Prase Opal Chemical Formula

While comparing Agrellite and Prase 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 Agrellite and Prase Opal chemical formula.

Chemical formula of Agrellite- NaCa2Si4O10F
Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Agrellite and Prase Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agrellite and Prase Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agrellite and Prase Opal Optical Properties during the identification of gemstone. Specific gravity of Agrellite is 1.98-2.25 whereas that of Prase Opal is 1.98-2.25.