GOLCONDA
Golconda
(noun) a source of great wealth (especially a mine)
Source: WordNet® 3.1
Etymology
Proper noun
Golconda
A city in Andhra Pradesh, India a=A fortress and ruined. It is historically famous for nearby diamond mining.
A small city, the county seat of Pope County, Illinois, United States. Named after Golconda in India.
A census-designated place in Humboldt County, Nevada, United States.
Noun
Golconda (plural Golcondas)
(figuratively) A source of great wealth, especially a mine.
Source: Wiktionary