Franklin, NJ coupled with its close neighbor Ogdensburg, NJ (location of the Sterling Hill Mine and Museum) are the home of the world's most famous zinc mines. The Franklin mine is especially famous for mineral fluorescence, and variety of rare species. There are over 4,000 mineral specimens on display, including those that are on display in the 33 foot long fluorescent display in the fluorescent room. The museum's fluorescent display has a dazzling array of the world's most brilliant and colorful fluorescent minerals. The Indian room has a collection of native American stone tools and cultural artifacts. Next to the Indian room is the fossil room that, including many varieties of plant, marine and wildlife fossils. It is also home to one of the nicest petrified wood displays with cut and polished slabs nearly four feet in diameter! "Welsh Hall," largest of the three rooms in the Jensen Annex, houses a systematic collection of world-wide minerals, the largest, most comprehensive mineral collection on public display in the world.
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