Anything which is a great source of wealth or yields a large income or return.
The point at which two mother lodes intersect.
A rich mine or vein of silver or gold.
Something desirable but expensive.
Very wealthy and comfortable surroundings.
Something that is pleasant but not necessary in life.
very expensive
not essential but desirable and enjoyable and indulgent.
Pertaining to the top-end market segment for mass production mass market vehicles, above the premium market segment.