File:Ooidal ironstone.jpg
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![File:Ooidal ironstone.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/3/30/Ooidal_ironstone.jpg/651px-Ooidal_ironstone.jpg?20191215094802)
Size of this preview: 651 × 600 pixels. Other resolutions: 261 × 240 pixels | 521 × 480 pixels | 834 × 768 pixels | 1,024 × 943 pixels.
Original file (1,024 × 943 pixels, file size: 131 KB, MIME type: image/jpeg)