Gedrite and Labradorite Physical Properties

Gedrite

Labradorite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.2592.69-2.72

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)_1-2Si_3-2O₈

Gedrite and Labradorite Chemical Formula

While comparing Gedrite and Labradorite 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 Labradorite 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 Labradorite- (Na,Ca)_1-2Si_3-2O₈

Compare Brown Gemstones

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Gedrite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.