You searched for: “amphigene
A leucite that is a mineral having a glassy fracture, occurring in translucent trapezohedral crystals.

It is a silicate of alumina and potash. It is found in the volcanic rocks of Italy, especially at Vesuvius.

This entry is located in the following units: ampho-, amph-, amphi- (page 4) geno-, gen-, genit-, gener-, -gen (page 3)