What is another word for unrefined earths?
Pronunciation: [ˌʌnɹɪfˈa͡ɪnd ˈɜːθs] (IPA) 
Unrefined earths refer to natural or raw materials mined from the earth's crust. There are several synonyms for this term, including unprocessed minerals, crude ores, and raw earth materials. Raw earth materials refer to minerals or rocks that have not undergone any treatment or processing and are in their natural state. Crude ores are natural ores that have not undergone any refining or beneficiation and typically contain impurities. Unprocessed minerals refer to minerals that have not yet been subjected to any form of processing to improve their quality or increase their value. These synonyms are often used interchangeably to refer to natural materials that require additional processing to be suitable for use in manufacturing and other industries.
