Creedite and Simpsonite Physical Properties

Creedite

Simpsonite

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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

2.70Not Available

1 7.18

1.5 Fracture

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

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect on {100}

None

1.7 Mohs Hardness

4.57-7.5

2 10

1.8 Chemical Composition

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

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Creedite and Simpsonite Chemical Formula

While comparing Creedite and Simpsonite 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 Simpsonite chemical formula.

Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Compare Colorless Gems

Creedite Vs Diopside

Creedite Vs Diaspore

Creedite Vs Dravite

Creedite and Simpsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Creedite and Simpsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Creedite and Simpsonite Optical Properties during the identification of gemstone. Specific gravity of Creedite is Not Available whereas that of Simpsonite is Not Available.