Creedite and Anthophyllite Physical Properties

Creedite

Anthophyllite

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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

2.70

2.9-3.5

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

Perfect on {100}

{110} Perfect, {???} Distinct, {???} Distinct

1.7 Mohs Hardness

4.5

5.5-6

1.8 Chemical Composition

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

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Creedite and Anthophyllite Chemical Formula

While comparing Creedite and Anthophyllite 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 Anthophyllite chemical formula.

Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Colorless Gems

Creedite Vs Dravite

Creedite Vs Diaspore

Creedite Vs Diopside

Creedite and Anthophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Creedite and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Creedite and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Creedite is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.