Ettringite and Diamond Physical Properties

Ettringite

Diamond

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Partially soluble in water

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.773.50-3.53

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

Perfect on {10 1 0}

111 (perfect in four directions)

1.7 Mohs Hardness

2-2.510

2 10

1.8 Chemical Composition

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

Ettringite and Diamond Chemical Formula

While comparing Ettringite and Diamond 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 Diamond chemical formula.

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

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Ettringite and Diamond Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ettringite and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ettringite and Diamond Optical Properties during the identification of gemstone. Specific gravity of Ettringite is 3.50-3.53 whereas that of Diamond is 3.50-3.53.