About

“Friends of Mineralogy of New Jersey is the NJ Chapter of the national Friends of Mineralogy organization whose objective is to promote, support, protect, and expand the collecting of mineral specimens, while furthering the recognition of the scientific, economic, and aesthetic value of minerals and mineral collecting.”

Club Meetings

Monthly meetings are held on the third Tuesday of the month at 7pm at 37 Vanderburg in Marlboro.

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Field Trips

Field trips are for club members only. We go on several trips a year in surrounding states. Be sure to join so you don't miss out

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Rock Shows

There are a number of rock shows in the area. Check back regularly to stay up to date with upcoming shows

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Past Events

Jun 10, 2025

Junior Rockhounds: Earth in Space

Agenda:

We’ll kick things off with a Show & Tell — bring a rock or two you’d like to share! After the first 15 minutes, we’ll begin our next exciting topic: the Earth in Space badge.

Last Month’s Giveaway:

We handed out beautiful samples of selenite

What to Bring:

  • UV Flashlight

  • Plastic Box

  • Folder

  • Magnifying Glass

We can’t wait to see what rocks you bring and explore the cosmos together. See you Tuesday!

Jun 7, 2025

Orange County Mineral Society Annual Mineral, Gem, Fossil and Jewelry Show

*** THIS IS AN OUTDOOR EVENT ***

This year we must limit the number of Vendors to 65.

Fun for The Entire Family

There will be lots of things to do
Immerse yourself in all things rock, mineral and fossil related

Featuring: Artisans, Craftsman, Collectors, Dealers and Exhibitors

On display: "Harry" The Most Complete Mastodon found in Harriman, NY

Extensive Local Mineral Collections

Exhibits * Demonstrations * Educational Displays

**New Fluorescent Mineral Display**

Food and Refreshments available for purchase.

* FREE PARKING *

Visit us on Facebook: https://www.facebook.com/OCMSNY

For more information, please Contact Ron Nelson, Chairman

914-850-2486 or e-mail rn33@icloud.com 

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Geology365

Geology365 is a FREE to use collection and club management software.
As an individual, you can catalog your collection as well as design and print custom labels.
As a club, you can manage your club activities (meetings, field trips, and rock shows), membership, and host your website (this site is a Geology365.com site). create your free account

Associations

American Federation of Mineralogical Societies American Geosciences Institute Eastern Federation of Mineralogical and Lapidary Societies Mineralogical Association of Canada Mineralogical Society of America