Anthophyllite and Creedite Physical Properties

Anthophyllite

Creedite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.5

2.70

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

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

1.6 Cleavage

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

Perfect on {100}

1.7 Mohs Hardness

5.5-6

4.5

1.8 Chemical Composition

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

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

Anthophyllite and Creedite Chemical Formula

While comparing Anthophyllite and Creedite 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 Anthophyllite and Creedite chemical formula.

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

Compare Brown Gemstones

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Anthophyllite and Creedite Specific Gravity

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