Long Island Mineral and Gem Show
Mattituck - Cutchogue Sr/Jr High School · Mattituck, NY
25
Jul
- Dates
- Jul 25–26, 2026
- Hours
- 10am-5pm
- Address
- 15125 Main Rd, Mattituck , NY 11501
We're pleased to join the 42nd Annual LIMAGS Mineral and Gem Show on Long Island's North Fork, among 30+ dealers of fine gemstones, minerals, fossils, and meteorites. Stop by to see a curated selection of rare certified natural stones from some of the world's most storied deposits — and take your time; we're always glad to talk provenance, certification, and the geology behind each piece.
What we're bringing:
- Rare Russian & Ukrainian specimens — including natural alexandrite on matrix and museum-grade Volyn topaz
- Ultra-rare colored stones — Pamir spinel, unheated Burmese ruby and sapphire, and Paraiba-type tourmaline
- Certified investment pieces — GIA, Gübelin, SSEF, and GRS documentation on flagship stones
- Approachable collector stones — well-priced loose gems for newer collectors and gift buyers