Hercynite and Chondrodite Physical Properties

Hercynite

Chondrodite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.393.10-3.20

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

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

Poor to good on (001)

1.7 Mohs Hardness

7.5-86-6.5

2 10

1.8 Chemical Composition

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

(Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.

Hercynite and Chondrodite Chemical Formula

While comparing Hercynite and Chondrodite 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 Chondrodite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Chondrodite- (Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.

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Hercynite and Chondrodite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Chondrodite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Chondrodite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 3.10-3.20 whereas that of Chondrodite is 3.10-3.20.