Rouxelite is a rare mineral with the chemical formula PbWO4. The word is pronounced /ruːksəlaɪt/ with the first syllable rhyming with "blue." The spelling of the word comes from the French culinary term "roux" which refers to a mixture of flour and fat used as the base for sauces and gravies. The suffix "-elite" is often used in the names of minerals to indicate a type of rock or stone. Despite its rarity, rouxelite can be found in some areas where lead and tungsten minerals are present.
There seems to be no information available regarding the etymology of the word "rouxelite". It is possible that this term is a specialized or technical term that has not been extensively documented or researched in reference materials.