Rhodolite and Creedite Physical Properties

Rhodolite

Creedite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.842.70

1 7.18

1.5 Fracture

Conchoidal

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

none, may show indistinct parting

Perfect on {100}

1.7 Mohs Hardness

7-7.54.5

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Rhodolite and Creedite Chemical Formula

While comparing Rhodolite and Creedite 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 Creedite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

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Rhodolite and Creedite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 2.70 whereas that of Creedite is 2.70.