{"version":"1.0","type":"link","title":"Pegmatite - Newikis","description":"A pegmatite is an igneous rock with a very rough texture, which has large interlocking crystals that are usually bigger than 1 centimeter (0.4 in) and sometimes bigger than 1 meter (3 ft).","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/6/6e/Alkaline_pegmatite.jpg/1200px-Alkaline_pegmatite.jpg","thumbnail_width":1200,"thumbnail_height":743}