NEMMrocks

NEMMrocks The extensive mining industry throughout New England left giant scars upon the landscape. We are reclaiming these scars one gemstone at a time.

06/12/2025
06/12/2025

What’s the difference between a sill and d**e? Sills and d**es are both igneous intrusions where magma infiltrates country rock from a source magma, where sills are bodies that align with the layers of the country rock, and d**es cut across the layers of preexisting rock.

Trivia Time : What formation do sills and d**es come from?

**es

06/08/2025
A most classic find from a few years back . . .
06/04/2025

A most classic find from a few years back . . .

💜 A Heart from the Earth Itself
Deep beneath the surface of Uruguay, something incredible was waiting to be found…

Miners at the Santa Rosa mine had spent days breaking through layers of hard basalt in the Los Catalanes District. Covered in dust, exhausted, they struck something unusual — a large amethyst geode weighing nearly 80 kilograms.

But when it cracked open…
Their jaws dropped.

Inside was a perfect heart — not carved, not shaped by human hands, but naturally formed by time, pressure, and the quiet patience of the planet. 💎

No tools. No polish. Just nature’s own design.
A violet crystal heart — shining with raw beauty and ancient energy.

It quickly went viral online, with people calling it a love letter from Earth. A gentle reminder that even in the darkest places, something beautiful can grow. ✨

Uruguay is famous for its amethyst, but this one?
One of a kind.
A symbol of wonder.
A gift — asking us to treat our world with a little more awe… and a lot more care. 🌍💫

Pecora's World Premier Lecture on "The Mind of Mica" takes place this Sunday 6/8 at the Cave House in Howes Cave, NY . ...
06/02/2025

Pecora's World Premier Lecture on "The Mind of Mica" takes place this Sunday 6/8 at the Cave House in Howes Cave, NY . . .

Looking for a cool VT rock journey!
03/01/2025

Looking for a cool VT rock journey!

02/27/2025

Does Tourmaline get any better than this?

About Mica from our friends at the Maine Mineral and Gem Museum. A special thanks to Caroline Tierney for her shout out ...
02/18/2025

About Mica from our friends at the Maine Mineral and Gem Museum. A special thanks to Caroline Tierney for her shout out about this post!

Mica Mine Schoolhouse Jim Pecora

Address

764 Rt 123A
South Acworth, NH
03607

Telephone

(978) 815-6022

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A Portal to History, Geology, Gemology, and the Lipadary Arts of New England

21st Century Museum Decentralized & Virtual

Eventually the New England Mineral Museum will be present in several locations in both New Hampshire and VTrmont. NH locations include; Gilsum, Marlow, Keene, Walpole, Charlestown, Acworth, & Peterborough. Across the river in Vermont will be: Bellows Falls, Brattleboro, Grafton, Elizabeth, West Marlboro, Killington, Mt. Snow, Ascutney, & Stow VT.

Many of these are Historical Societies with existing mineral displays, some will be new displays, others paid advertising locations. The New England Mineral Museum will eventually have a Mineral Club and Lapidary Guild both offered by membership like the Museum.