Triangles: 374.2k
Vertices: 187.1k
More model informationThis corundum crystal (Al₂O₃) displays the typical hexagonal shape for the mineral. The grey colouration is normal for non-gem varieties. The crystal is only 13 millimetres in length.
CC Attribution-NonCommercialCreative Commons Attribution-NonCommercial
Oct 22nd 2019
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