Complex sentence: The word "tungsten" comes from the Swedish language "tung sten" directly translatable to "heavy stone", though the name is "volfram" in Swedish to distinguish it from scheelite, which in Swedish is alternatively named "tungsten".
Split into simpler sentences: The word "tungsten" comes from the Swedish language "tung sten", which directly translates to "heavy stone". The name is "volfram" in Swedish, however, is to distinguish it from scheelite, which in Swedish is alternatively named "tungsten".