Hercynite and Grossular Garnet Physical Properties

Hercynite

Grossular Garnet

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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

4.393.6

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Not Available

1.6 Cleavage

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

None

1.7 Mohs Hardness

7.5-86.5-7.5

2 10

1.8 Chemical Composition

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

Ca₃Al₂Si₃O₁₂

Hercynite and Grossular Garnet Chemical Formula

While comparing Hercynite and Grossular Garnet 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 Hercynite and Grossular Garnet chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂

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Hercynite and Grossular Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Grossular Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Grossular Garnet Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 3.6 whereas that of Grossular Garnet is 3.6.