rizalite
/ˈrɪzəlʌɪt/Geology
noun
A tektite of the type characteristically found in Rizal province of the Philippines; a tektite from the strewn field of this region.
Origin
1920s. From Rizal (Tagalog Rizal), the name of a province of central Luzon in the Philippines where the mineral is found + -ite.