Creedite and Peridot Physical Properties

Creedite

Peridot

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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

2.701.54-1.55

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Perfect on {100}

Poor

1.7 Mohs Hardness

4.56.5-7

2 10

1.8 Chemical Composition

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

(Mg,Fe)₂SiO₄

Creedite and Peridot Chemical Formula

While comparing Creedite and Peridot 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 Peridot chemical formula.

Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

Compare Colorless Gems

Creedite Vs Diopside

Creedite Vs Dravite

Creedite Vs Diaspore

Creedite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Creedite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Creedite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Creedite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.