Creedite and Orthoclase Physical Properties

Creedite

Orthoclase

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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

2.702.54-2.61

1 7.18

1.5 Fracture

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

Gems, Uneven

1.6 Cleavage

Perfect on {100}

Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.

1.7 Mohs Hardness

4.56

2 10

1.8 Chemical Composition

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

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Creedite and Orthoclase Chemical Formula

While comparing Creedite and Orthoclase 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 Orthoclase chemical formula.

Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

Creedite Vs Dravite

Creedite Vs Diaspore

Creedite Vs Diopside

Creedite and Orthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Creedite and Orthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Creedite and Orthoclase Optical Properties during the identification of gemstone. Specific gravity of Creedite is 2.54-2.61 whereas that of Orthoclase is 2.54-2.61.