{"version":"1.0","type":"link","title":"Sandstone - Newikis","description":"Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains, cemented together by another mineral. Sandstones comprise about 20–25% of all sedimentary rocks.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/a/af/USDA_Mineral_Sandstone_93c3955.jpg","thumbnail_width":640,"thumbnail_height":436}