🌐EnglishEnglishDeutschEspañolFrançaisTiếng ViệtالعربيةEntityQ574636· pop 12· linked from 18 articlesCoal ballstone of peat that did not turn into coalWikidata factsImageCoalball.jpgSources (2)en.wikipedia.orgwikidata.orgvia Wikidata · CC0Available in 11 languagesEspañolFrançaisDeutschالعربيةCatalanCroatianMacedoniansimpleTiếng ViệtUkrainianvia Wikidata sitelinks · CC0ConnectionsMarie StopesEntityD. M. S. WatsonEntityCategoriesCarboniferous geologyFossil record of plantsMineralogySource attribution