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Labradorite |
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Physical & mechanical properties
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Volumetric weight: | 2628-2853 êg/m³
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Water absorbtion: | 0.1-0.5 %
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Compression strength: | 64.1-151.6 MPa
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Flexure strength: | -
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Attritive ability of rock: | 0.11-1.46 g/cm²
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Minerals (%)
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Plagioclase (labrador): | 40-96.7
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Pyroxene: | 0.9-49.8
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Olivine: | 0.2-39
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Biotite: | 0.01-3.6
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Potash feldspar: | 2
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Quartz: | 6.2
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Ore minerals: | 0.5-34
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Others: | 0.1-5
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Deposit name: Phedorivske
Zhitomir region
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Å-mail: mag@gems.org.ua 
