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.

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

Rock Shows

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

Past Events

Jun 14, 2025

Diamond Mountain Herkimer Quartz Dig – June 14

Type of Trip:

Herkimer Quartz (Herkimer Diamond) Dig – A great opportunity to collect these unique quartz crystals in both ledge and tailings areas.

Location:

Diamond Mountain Mining – Little Falls, NY

Date:

Saturday, June 14, 2025

Time:

All-day dig (Exact times will be provided in the flyer)

Attendance Limit:

  • FREE Dig for Club Members – Limited to 20 participants
  • Additional members can attend up to a total of 40 participants, but must pay a fee.

Fees (CASH ONLY, Paid on-site):

  • Free for the first 20 club members
  • $100 per person for ages 14 and up (if beyond the first 20)
  • $25 per person for ages 13 and under

Ages Allowed:

  • 8 years & up
  • Kids 13 and under must be closely supervised by a parent/guardian at all times

Food & Drinks:

Bring your own food and drinks – no food will be provided. This will also be noted in the flyer.

Important Notes:

  • This is a shared trip with FM-NJ
  • Limited spots available – sign up early!

How to Sign Up:

To secure your spot, contact Groundhog Dave:

  • Call/Text: 732-939-4476

If you’re interested in the Diamond Mountain dig, Groundhog Dave will send additional details upon request.

This is a fantastic opportunity to collect Herkimer Diamonds with fellow club members, so don’t miss out!

Jun 13, 2025

Gem Miners Jubilee

June 13, 14, 15, 2025
Fri & Sat 10am-6pm • Sun 10am-4pm
Gem, Jewelry, Bead, Mineral, Fossil & Craft Show

Lebanon Expo Center
80 Rocherty Rd, Lebanon PA 17042
Open to the Public!!! + Wholesale Available

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