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💎 Welcome to Joby’s Gems & Crystals 💎

Pennsylvania’s Premier Mobile Gem Mining Experience

For over 6 years, Joby’s Gems & Crystals has been creating unforgettable gemstone adventures for families, schools, libraries, Scout troops, churches, festivals, and community organizations throughout Southwestern Pennsylvania.

While we no longer have a retail storefront, we’re bringing the excitement directly to you! From full-service mobile events to affordable Drop & Go party packages, we make it easy for everyone to experience the thrill of discovering real gemstones.

🚛 Mobile Gem Mining Events

We bring the gem mine to your location! 

Whether you’re hosting a birthday party, library program, school assembly, Scout event, church gathering, corporate family day, festival, or community celebration, our professional mobile setup creates an unforgettable hands-on experience for guests of all ages.

Our Mobile Gem Mining Experience includes:

💎 Professional Gem Mining Sluices

⛺ Gem Cave Display

Real Gemstones, Crystals, Fossils & Pyrite

🎁 Collection Bags for Every Guest

📚 Educational Gemstone Activities

✨ Setup, operation, and cleanup by our experienced staff

Children and adults alike enjoy mining for treasures from around the world while learning about geology, gemstones, and Earth’s natural wonders.  Call for a quote today!

 Drop & Go Gem Mining Parties

Want all the fun without the cost of a full-service event?

Our Drop & Go Gem Mining Party Package is an affordable way to celebrate birthdays, family gatherings, Scout meetings, homeschool groups, or backyard fun.

Starting at just $225 plus tax 

Your package includes:

✔ 15 Gem Mining Bags

✔ Portable Gem Mining Tub

✔ Mining Shifters

✔ Collection Bags

✔ Easy Setup Instructions

Simply meet us at a convenient South Park or Bethel Park location to pick up your party package. Take it home, fill the tub with water, and let everyone enjoy gem mining whenever it fits your schedule.

No time limits. No staff required. No stress. Just fun!

Need more than 15 guests? Additional gem mining bags are available.

💎 Gem Mining Bags

Looking for a unique gift or activity?

We offer a variety of Gem Mining Bags filled with exciting treasures from around the world. Whether you’re mining at one of our events or purchasing bags to enjoy at home, there’s something for every age and budget.

Popular selections include:

💎 Gem Strike

💜 Amethyst Bag

🦈 Shark Tooth Bags

🐚 Shell Finds

💚 Specialty Gemstone Bags

🎁 Gift Sets

Perfect for birthdays, classrooms, Scout badges, family activities, party favors, and gifts.

All prices are subject to change: