ramsayite
/ˈramzɪʌɪt/Mineralogy
noun
A titanium-containing silicate mineral originally found in the Kola Peninsula of Arctic Russia and subsequently shown to be identical with lorenzenite.
- Ramsayite is a titanate and silicate of sodium, Na2Ti2Si2O9. Crystal system: orthorhombic..
Origin
1920s; earliest use found in Mineralogical Abstracts. From the name of Wilhelm Ramsay, Finnish geologist + -ite, after German Ramsayit or its etymon Russian ramzait.