Rhodolite and Ettringite Physical Properties

Rhodolite

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

3.841.77

1 7.18

1.5 Fracture

Conchoidal

Not Available

1.6 Cleavage

none, may show indistinct parting

Perfect on {10 1 0}

1.7 Mohs Hardness

7-7.52-2.5

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

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

Rhodolite and Ettringite Chemical Formula

While comparing Rhodolite 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 Rhodolite and Ettringite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Rhodolite and Ettringite Specific Gravity

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