Creedite and Augelite Physical Properties

Creedite

Augelite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.702.70-2.75

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {100}

From the Greek for luster, for its pearly luster on the cleavage.

1.7 Mohs Hardness

4.54.5-5

2 10

1.8 Chemical Composition

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

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Creedite and Augelite Chemical Formula

While comparing Creedite and Augelite 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 Augelite chemical formula.

Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

Creedite Vs Diaspore

Creedite Vs Diopside

Creedite Vs Dravite

Creedite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Creedite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Creedite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Creedite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.