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Upcoming Events

  • GeoFair 2026. The largest IN-KY-OH Gem, Mineral, Fossil & Jewelry Show.
    GeoFair 2026. The largest IN-KY-OH Gem, Mineral, Fossil & Jewelry Show.
    Sat, May 16
    Butler County Fairground Event Center
    A family friendly event of all things Gem, Mineral, Fossil & Jewelry. Including 40 exhibits: Celebrating 250 years of America’s Minerals & Fossils
  • Color Variation of Fluorite from the Mines in Hardin County, Illinois
    Color Variation of Fluorite from the Mines in Hardin County, Illinois
    Fri, Apr 10
    Sharon Visitor Centre Auditorium, Sharon
    The speaker covers fine minerals from the southern Illinois fluorspar district.
  • Going to the Giant Mineral Show in Arizona
    Going to the Giant Mineral Show in Arizona
    Fri, Mar 13
    Sharon Visitor Centre Auditorium, Sharon
    The speaker will explain how to handle a very large mineral show. Advising the importance to have a plan and a list of what you want to find so you do not get confused. This plan helps anyone turn a big, busy show into a great learning adventure.
  • Visit Langsdon Rock and Mineral Collection, Celina, Ohio
    Visit Langsdon Rock and Mineral Collection, Celina, Ohio
    Sat, Mar 07
    Mercer County District Library Celina OH
    Tour the Langsdon Rock and Mineral Collection, one of the most impressive private-turned-public collections in the Midwest. Located within the Mercer County District Library, this "hidden gem" features over 900 rare specimens from across the globe.
  • Minerals and fossils on postage stamps
    Minerals and fossils on postage stamps
    Fri, Feb 13
    Sharon Visitor Centre Auditorium, Sharon
    An visual presentation about about topical collecting minerals and fossils on postage stamps and their natural equivalents.
  • Field Trip: Karl E. Limper Geology Museum, Miami University, Oxford, Ohio
    Field Trip: Karl E. Limper Geology Museum, Miami University, Oxford, Ohio
    Sat, Jan 17
    Shideler Hall, Miami University
    Discovery at the Karl E. Limper Geology Museum. this visit offers a deep dive into the "collections-based science" that has defined Miami University’s geology program for over a century.
  • Red, White, and Blue. Greater Ohio celestine
    Red, White, and Blue. Greater Ohio celestine
    Fri, Jan 09
    Sharon Visitor Centre Auditorium, Sharon
    An audio-visual presentation about about the mineral celestine in the greater Ohio region. Red, White, and Blue crystals.
  • Holiday Party
    Holiday Party
    Sat, Dec 06
    Loveland
    Educational Foundation Award + Formal presentation by Jeff Scovil : A Year in the Life of a Mineral Photographer: Gems, Jewelry, Trilobites and Crystals
  • Annual Auction benefitting the CMS Educational Foundation
    Annual Auction benefitting the CMS Educational Foundation
    Fri, Nov 14
    Sharon Woods Park Visitor Centre
    This an auction benefits the CMS Educational Foundation. A great opportunity to support a good cause an acquire nice mineral, fossil, and gemstone specimens.
  • A Beginner’s Guide to Rocks and Minerals
    A Beginner’s Guide to Rocks and Minerals
    Fri, Oct 10
    Sharon Woods Park Visitor Centre
    Speaker, Elizabeth O’Brien presents the basics: what are minerals, how do they form, and why are they important? This will be followed by a conversation about assembling a meaningful mineral collection without “breaking the piggy bank.”
  • GEODE NIGHT
    GEODE NIGHT
    Fri, Sep 12
    Sharon Woods Park Visitor Centre
    Jeff Smith, the “Geode Guy” cracks open geodes to expose crystals inside. A hands-on, interactive science program about rock groups and minerals with a special emphasis on geodes. Participants will journey to Mexico and underground to an active geode mine.
  • Minerals and Mineral Localities of Iran
    Minerals and Mineral Localities of Iran
    Fri, May 09
    Sharon Woods Park Visitor Centre
    Iran offers significant opportunities in the collectible crystal and gemstone market, driven by its rich mineral resources and strategic development plans. Join us for a mineral collector’s experiences in Iran. (Image: Iranite from Chah Khouni Mine, Iran. Copyright Christophe Boutry)
  • Introduction to Rocks and Mineral
    Introduction to Rocks and Mineral
    Fri, May 09
    Sharon Woods Park Visitor Centre
    Curious About Rocks? Start Your Journey Here! Join us for a 30-minute, hands-on Rocks & Minerals Study for Beginners — perfect for budding geologists of all ages! Get up close with real specimens, learn to identify common rocks and minerals. No experience needed — just curiosity!
  • Adventures of a Lifetime: Chasing Living & Fossil Crinoids by SCUBA diving and Field Work.
    Adventures of a Lifetime: Chasing Living & Fossil Crinoids by SCUBA diving and Field Work.
    Fri, Apr 11
    Sharon Woods Park Visitor Centre
    Paleobiologist Dave Meyer’s ambitious career goal was to compare the biology of living crinoids with the paleontology of fossil crinoids; and this presentation is his seldom-told story of how that goal became a reality.
  • “Apex” the Dinosaur
    “Apex” the Dinosaur
    Fri, Mar 14
    Sharon Woods Park Visitor Centre
    Hear the story of the discovery, preparation and display configuration of “Apex” a stegosaurus ,a genus of herbivorous, four-legged, armored dinosaur from the Late Jurassic.
  • The Great Lakes Basin of North America…an earth science perspective
    The Great Lakes Basin of North America…an earth science perspective
    Fri, Feb 14
    Sharon Woods Park Visitor Centre Auditor
    This illustrated lecture will explore the mystery about the origin of the Great Lakes. Multiple suspects will be tested on their involvement with the mystery.
  • Vermont Rocks! is CANCELLED (Facility Closed)
    Vermont Rocks! is CANCELLED (Facility Closed)
    Fri, Jan 10
    Sharon Woods Park Visitor Centre
    This illustrated lecture will explore the development of Vermont geology and share the history of major mining operations in Vermont with special emphasis given to the collector-friendly Lowell/Eden quarries at Belvidere Mountain well known for a host of minerals, but especially for grossular garnet
  • Holiday Party
    Holiday Party
    Sat, Dec 07
    Loveland
    Educational Foundation Award + Formal presentation by Ludmila Cheshko : From Russia with Love - A Treasury of Minerals, Gems, and Fossils

© 2025 by Cincinnati Mineral Society

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