Labradorite and Esperite Physical Properties

Labradorite

Esperite

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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

2.69-2.724.28-4.42

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic

1.6 Cleavage

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

Distinct on [010] and [100] poor on [101]

1.7 Mohs Hardness

6-6.55-5.5

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Labradorite and Esperite Chemical Formula

While comparing Labradorite and Esperite 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 Labradorite and Esperite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Compare Gems for Aquarius

Labradorite Vs Rhyolite

Labradorite Vs Chrysanthemum Stone

Labradorite Vs Albite

Labradorite and Esperite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Esperite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Esperite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 4.28-4.42 whereas that of Esperite is 4.28-4.42.