The club's fine collection of more than 700 mineral specimens from New York City is housed at the American Museum of Natural History. The collection includes specimens of beryl, chrysoberyl, garnet, tourmaline, stilbite and xenotime together with many other species. Most noteworthy is the large 6 inch almandine garnet called the Kunz garnet discovered in 1885. During the 110 years the club has been in existence several honorary members have been appointed in recognition of contributions in the field of minerals and mineralogy. Currently the club has a membership of over 250.
Meetings are open to the public.
Frequent field trips are organized to interesting mineral localities in the vicinity of New York City and extended trips to more distant states. Each month a bulletin is published for members and guests with news, announcements and original articles about minerals and gemstones contributed by club members. The New York Mineralogical Club is affiliated with the Eastern Federation of Lapidary and Mineralogical Societies and the American Federation of Mineral Societies. The club is dedicated to increasing interest in the science of mineralogy through the collecting, describing and displaying of minerals and associated gemstones. Anyone interested in gems and mineralogy is welcome as a member.