Ettringite and Titanite Physical Properties

Ettringite

Titanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Partially soluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.773.48-3.60

1 7.18

1.5 Fracture

Not Available

Sub-Conchoidal, Conchoidal, Brittle

1.6 Cleavage

Perfect on {10 1 0}

Distinct on [110], parting on {221}

1.7 Mohs Hardness

2-2.55-5.5

2 10

1.8 Chemical Composition

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

Not Available

Ettringite and Titanite Chemical Formula

While comparing Ettringite and Titanite 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 Ettringite and Titanite chemical formula.

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

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Ettringite and Titanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ettringite and Titanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ettringite and Titanite Optical Properties during the identification of gemstone. Specific gravity of Ettringite is 3.48-3.60 whereas that of Titanite is 3.48-3.60.