Sanidine and Ettringite Physical Properties

Sanidine

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

2.54-2.611.77

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Not Available

1.6 Cleavage

{001} Perfect, {010} Good

Perfect on {10 1 0}

1.7 Mohs Hardness

62-2.5

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Sanidine and Ettringite Chemical Formula

While comparing Sanidine 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 Sanidine and Ettringite chemical formula.

Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

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Sanidine Vs Shattuckite

Sanidine Vs Serendibite

Sanidine and Ettringite Specific Gravity

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