Natural sample of mineral chalcopyrite (copper iron sulfide) – an important copper ore common in sulfide veins in igneous rocks middle Ural
ID: 576962293
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- 大图:3800 × 2850 像素·32.17 cm × 24.13 cm·300dpi·JPG
- 中图:1000 × 750 像素·35.28 cm × 26.46 cm·72dpi·JPG
- 小图:500 × 375 像素·17.64 cm × 13.23 cm·72dpi·JPG