Meet Your Seller

Sean Adam

@rocknrollmine

HI Im Sean Adam , Owner and Miner at Rock N Roll Herkimer Diamond Mine in MIddleville New York, we mine all of our crystals by hand, without the use of machines. Join me, to discover the Earths highest clarity quartz crystals. I have all sizes and shapes available, to meet any budget or collectors choice for high end mineral specimens and jewelry grade gemstones.

Niknax seller since Feb 20, 2026
12 Listings
5240th on Seller Leaderboard
6 Sales
3 days avg. time to ship

Herkimer Diamond Quartz Crystal AAA Grade 7.9 Gram

7.8 gram AAA Clarity Herkimer Diamond Quartz Crystal. Penelope Pocket Discovered in 2024 at Rock N Roll Mine by Sean Adam McCardell. All crystals from Rock N Roll are mined by hand without the use of machines, on our private location crystal mine and farm in Middleville, New York. We are on the highest clarity zone for these crystals in Herkimer County, and live at the mine in the farmhouse buit in 1840 year round.

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Listed Mar 28, 2026

$265.00 + shipping

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Mr. Wiggles Photo

1970’s Indiana Glass “Bee &Skep” White Milk Glass Honey Box Produced By Tiara Exclusives 6 1/2” X 5 1/2”

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Fenton 2-piece Colonial Green Hobnail Fairy Light 4 1/2” X 3 1/4”- READ

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Vintage 1970’s Tiara Indiana Glass Honey Bee Box Candy Dish In Ice Blue Color 6 1/2” X 5 1/2”

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David Keyes Wall Decor 7”

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Product Gallery

Herkimer Diamond Quartz Crystal AAA Grade 7.9 Gram

Sean AdamA right-pointing triangle. Rotate or flip with Tailwind classes to change direction.

Quartz Crystal "Herkimer Diamond" In Acrylic Display Box 1 Gram

Herkimer Quartz Crystal 1 Gram

Herkimer Diamond Quartz Crystal Cluster 32.3 Gram

Herkimer Diamond Quartz Crystal 15.7 Gram

Matrix Herkimer Quartz 150

Herkimer Quartz Crystals 1 Gram AA Grade

6.7 gram Herkimer Diamond Quartz

1 Gram Herkimer Quartz in Display

Herkimer Quartz Crystals 3 Gram AA Grade

Herkimer Quartz Crystals 2 Gram AA Grade

Herkimer Quartz Crystals 4 Gram AA Grade