| 1. | It may rarely be found as a single large euhedral crystal.
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| 2. | Euhedral crystals are those with obvious, well-formed flat faces.
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| 3. | In these, grains of olivine and / or pyroxene are equidimensional and sometimes euhedral.
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| 4. | Augite exists as euhedral crystals of pale green color, often zonal and readily weathering.
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| 5. | The grains are mostly anhedral, but a few euhedral grains could also be encountered.
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| 6. | Resorbed olivine macrocrysts and euhedral primary crystals of groundmass olivine are common but not essential constituents.
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| 7. | It occurs as euhedral to massive opaque, metallic grey-black to silver white forms.
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| 8. | It occurs as euhedral to subhedral tabular to short and prismatic crystals, commonly in subparallel groups.
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| 9. | There is evidence that nitrogen impurities play an important role in the formation of well-shaped euhedral crystals.
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| 10. | Euhedral crystals have a defined external shape, while anhedral crystals do not; those intermediate forms are termed subhedral.
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