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50.3 MB (50.0 MB compressed)
5138 x 3425 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY
Zeolite crystals, polarised light micrograph. Zeolites are hydrated aluminosilicates that have a micro-porous structure. They are used as catalysts in the chemical industry. This sample is from the Giant's Causeway, Northern Ireland. Magnification: x14 when printed at 10 centimetres across.
Model release not required. Property release not required.