Gedrite and Pectolite Physical Properties

Gedrite

Pectolite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.15-3.2592.74-2.90

1 7.18

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Fracture

Uneven, Splintery

Cleavage

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

Perfect on {100} and {001}

Mohs Hardness

5.5-64.5-5

2 10

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Chemical Composition

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Gedrite and Pectolite Chemical Formula

While comparing Gedrite and Pectolite 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 Gedrite and Pectolite chemical formula.

Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Compare Brown Gemstones

Gedrite Vs Magnetite

Gedrite Vs Manganaxinite

Gedrite Vs Mellite

Gedrite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.