IPA: //rʌˈbæs//
KK: /rʌˈbæs/
A type of quartz that is red in color due to the presence of iron oxide.
The jeweler showed me a beautiful piece made from rubasse.
This word originates from Old French 'rubasse', meaning a type of red dye or color. The term is related to the word 'rouge', which means red in French.
Think of the Old French word for red, 'rouge', to remember that 'rubasse' refers to a red dye or color.