Polarised light micrograph of a thin section of ganister is hard, fine-grained quartzose sandstone, or orthoquartzite, used in the manufact

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Polarised light micrograph of a thin section of ganister is hard, fine-grained quartzose sandstone, or orthoquartzite, used in the manufacture of silica brick typically used to line furnaces. Ganisters are cemented with secondary silica and typically have a characteristic splintery fracture. Horizontal object size: mm.

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Size: 4781px × 3655px
Photo credit: © ALFRED PASIEKA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: brick, earth, ganister, geology, light, micrograph, polarised, sandstone, science, section, silica, thin