Chondrodite and Ettringite Physical Properties

Chondrodite

Ettringite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.10-3.201.77

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Poor to good on (001)

Perfect on {10 1 0}

1.7 Mohs Hardness

6-6.52-2.5

2 10

1.8 Chemical Composition

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

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Chondrodite and Ettringite Chemical Formula

While comparing Chondrodite and Ettringite 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 Chondrodite and Ettringite chemical formula.

Chemical formula of Chondrodite- (Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Chondrodite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chondrodite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chondrodite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Chondrodite is 1.77 whereas that of Ettringite is 1.77.