closeup of sample of natural mineral from geological collection - unpolished bituminous coal (black coal) on black granite background from Ukraine
ID: 1739354777
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- 大图:4000 × 3116 像素·33.87 cm × 26.38 cm·300dpi·JPG
- 中图:1000 × 779 像素·35.28 cm × 27.48 cm·72dpi·JPG
- 小图:500 × 390 像素·17.64 cm × 13.76 cm·72dpi·JPG