Creedite and Andradite Garnet Physical Properties

Creedite

Andradite Garnet

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.703.8-3.9

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect on {100}

None

1.7 Mohs Hardness

4.56.5-7.5

2 10

1.8 Chemical Composition

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

Ca₃Fe³⁺₂Si₃O₁₂

Creedite and Andradite Garnet Chemical Formula

While comparing Creedite and Andradite Garnet 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 Creedite and Andradite Garnet chemical formula.

Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Creedite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Creedite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Creedite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Creedite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.