Blue spinel and Hercynite Physical Properties

Blue spinel

Hercynite

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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

Not Available4.39

1 7.18

1.5 Fracture

Not Available

ConchoidalGemdat.org, Uneven

1.6 Cleavage

Not Available

{111} Indistinct, {111} Indistinct, {111} Indistinct

1.7 Mohs Hardness

Not Available7.5-8

2 10

1.8 Chemical Composition

Not Available

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Blue spinel and Hercynite Chemical Formula

While comparing Blue spinel and Hercynite 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 Blue spinel and Hercynite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Compare Blue Gemstones

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Blue spinel Vs Mexican fire opal

Blue spinel Vs Rosinca

Blue spinel and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Blue spinel and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue spinel and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Blue spinel is 4.39 whereas that of Hercynite is 4.39.