Uvarovite and Ettringite Physical Properties

Uvarovite

Ettringite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.771.77

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

None

Perfect on {10 1 0}

1.7 Mohs Hardness

6.5-7.52-2.5

2 10

1.8 Chemical Composition

Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

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

Uvarovite and Ettringite Chemical Formula

While comparing Uvarovite 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 Uvarovite and Ettringite chemical formula.

Chemical formula of Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich 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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Uvarovite and Ettringite Specific Gravity

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