Early 19th century; earliest use found in Henry James Brooke (1771–1857), crystallographer. From German Dialogit from ancient Greek διαλογή estimate, enumeration + German -it.
Definition of dialogite in US English:
dialogite
(also diallogite)
noundʌɪˈalədʒʌɪt
Mineralogy rare
Rhodochrosite.
Origin
Early 19th century; earliest use found in Henry James Brooke (1771–1857), crystallographer. From German Dialogit from ancient Greek διαλογή estimate, enumeration + German -it.