Antigorite and Creedite Physical Properties

Antigorite

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

2.58-2.802.70

1 7.18

1.5 Fracture

Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)

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

1.6 Cleavage

{001} Good

Perfect on {100}

1.7 Mohs Hardness

5-5.54.5

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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

Antigorite and Creedite Chemical Formula

While comparing Antigorite 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 Antigorite and Creedite chemical formula.

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

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Antigorite and Creedite Specific Gravity

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