Third Rock Emporium

Third Rock Emporium Rock Shop of Earthly delights from jewelry, crystals, minerals, fossils, chakra, reiki & feng shui s We are a Rock Shop and more

Third Rock Emporium is a Rock Shop offering a variety, perhaps a plethora and possibly even a cornucopia of Earthly Delights including rocks, minerals, fossils, Handmade Native American Jewelry, Handcrafted Local Artisan Jewelry,Gemstones, Wood/Stone Carvings, Polished Stones, Crystals, Spheres, Pyramids, Chakra, Reiki & Feng Shui Supplies and much much more. After thirty years of rock peddling fr

om town to town at fairs, festivals and flea markets as Mark's Rocks, I have decided that rocks are way too heavy to carry and that I needed a permanent Rock Shop location. Following a three month search and much consideration I'm thrilled to say our Rock Shop is located at 75 Main Street East Greenwich Rhode Island, next to The Greenwich Odeum and across from the municipal parking lot. We also carry an assortment of antiques and oddities so please stop in for a unique shopping experience that we hope you will enjoy.

I’m just gonna sit and stare at this a bit this morning. We’ll be open 12 - 6 today. ⛏⚒⛏
08/16/2026

I’m just gonna sit and stare at this a bit this morning.

We’ll be open 12 - 6 today.

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Here’s a couple clusters recently added, Golden Healer Quartz and Dark Blue Kyanite from Colombia and Brazil, respectiv...
08/15/2026

Here’s a couple clusters recently added, Golden Healer Quartz and Dark Blue Kyanite from Colombia and Brazil, respectively. I’ve got lots more crystals hitting the shelves.

It’s going to be a beautiful weekend on Main Street! Come check it out! Our doors will be wide open and the music playing!

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Box 1 partial contents included golden healers, kyanite, assorted polished stones and points. Also (not shown (stay tune...
08/13/2026

Box 1 partial contents included golden healers, kyanite, assorted polished stones and points. Also (not shown (stay tuned)) big ammonites, labradorite and giant quartz points in stands with tourmaline. Things’ll start hitting the shelves today!

I’ll be open Wednesday through Sunday from noon to six. I hear the nice air is moving in. Come on by!

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I’m excited! Box 1 has arrived. Onto unboxing! ⛏⚒⛏
08/12/2026

I’m excited! Box 1 has arrived. Onto unboxing!

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OMG! Chip is twitterpated! 🥰 I hope someone looks at you the way Chip looks at Dr. Fauci!I’ll be here noon to six throu...
08/07/2026

OMG! Chip is twitterpated! 🥰

I hope someone looks at you the way Chip looks at Dr. Fauci!

I’ll be here noon to six through Sunday and sending out much love in the meantime!

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I worked in Microbiology for 35 years before opening Third Rock Emporium. And yes, it’s time to bring back my hero’s bob...
08/06/2026

I worked in Microbiology for 35 years before opening Third Rock Emporium.

And yes, it’s time to bring back my hero’s bobble head! Thank you for everything Dr. Fauci!

I’ll be here noon to six with the AC on and keeping cool!

Happy August!It’s looking like a beautiful weekend to visit Main Street! Have you been this summer?We’ll be open this w...
08/01/2026

Happy August!

It’s looking like a beautiful weekend to visit Main Street! Have you been this summer?

We’ll be open this weekend from noon to six. Come on by!

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Random shot of the day for no particular reason. Did I nail it?I’ll be here rocking Wednesday through Sunday from noon t...
07/30/2026

Random shot of the day for no particular reason. Did I nail it?

I’ll be here rocking Wednesday through Sunday from noon to six! Rock On!

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Thanks to everyone who came out yesterday for the music stroll! It was a great night!We’re back to our normal programmi...
07/24/2026

Thanks to everyone who came out yesterday for the music stroll! It was a great night!

We’re back to our normal programming and will be open noon to six through Sunday!

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07/23/2026

It’s the Music Stroll Today! I’m hoping my percussion partner shows up again, and you too!

The Third Rock Fossils will be hitting our stage around Five! Come on down to Main Street for some great live music!

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Address

75 Main Street
East Greenwich, RI
02818

Opening Hours

Wednesday 12pm - 6pm
Thursday 12pm - 6pm
Friday 12pm - 6pm
Saturday 12pm - 6pm
Sunday 12pm - 6pm

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