Romanchite and Ettringite Physical Properties

Romanchite

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

4.70-4.741.77

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Not Available

Perfect on {10 1 0}

1.7 Mohs Hardness

5-62-2.5

2 10

1.8 Chemical Composition

Not Available

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

Romanchite and Ettringite Chemical Formula

While comparing Romanchite 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 Romanchite and Ettringite chemical formula.

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

Compare Gems Found in America

Romanchite Vs Serandite

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Romanchite Vs Scolecite

Romanchite and Ettringite Specific Gravity

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