Spinel and Chrysoprase Physical Properties

Spinel

Chrysoprase

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.662.58-2.64

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Gems, Sixth Edition (2006)

1.6 Cleavage

None, but may exhibit slight parting

None

1.7 Mohs Hardness

86.5-7

2 10

1.8 Chemical Composition

MgAl₂O₄

SiO₂ (with a high level of nickel impurities )

Spinel and Chrysoprase Chemical Formula

While comparing Spinel and Chrysoprase 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 Spinel and Chrysoprase chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Spinel and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.