Chrysoberyl and Prase Opal Physical Properties

Chrysoberyl

Prase Opal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.811.98-2.25

1 7.18

1.5 Fracture

Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic

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

1.6 Cleavage

Distinct on {110}, imperfect on {010}, poor on {001}

Not Available

1.7 Mohs Hardness

8.55-6.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

SiO 2 + H 2OUlrich Henn and Claudio C.

Chrysoberyl and Prase Opal Chemical Formula

While comparing Chrysoberyl 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 Chrysoberyl and Prase Opal chemical formula.

Chemical formula of Chrysoberyl- BeAl ₂ O ₄
Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Green Gemstones

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Chrysoberyl and Prase Opal Specific Gravity

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