Labradorite and Milarite Physical Properties

Labradorite

Milarite

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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

2.69-2.722.52-2.60

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

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

1.6 Cleavage

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

{0001} Imperfect, {1120} Imperfect

1.7 Mohs Hardness

6-6.55.5-6

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Labradorite and Milarite Chemical Formula

While comparing Labradorite and Milarite 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 Milarite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Labradorite and Milarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.