Dominion Gems

Dominion Gems Gems, Mineral & Crystal Specimens, Mining Claims, Opals & more Exploration, Prospecting & Mining for mineral & gemstone deposits in North America.

Christopher Wentzell & Billy Pinna are Dominion Gems; Chris Wentzell & Ron Keller are AGEM. Buy, sell, trade... Specializing in South Dakota Minerals & Rose Quartz, worldwide mineral specimens and gems, and California pegmatites. https://www.dominiongems.com

10/19/2025
Prospecting for Gold in the Black Hills of South Dakota. Mining Claims available for sale.
10/19/2025

Prospecting for Gold in the Black Hills of South Dakota. Mining Claims available for sale.

Virgin Valley Black Precious Opal limb cast, partially polished, DRY. Nevada. From our personal collection, Available.
10/19/2025

Virgin Valley Black Precious Opal limb cast, partially polished, DRY. Nevada. From our personal collection, Available.

Fantastic large slab of Wingate Pass aka Death Valley Plume Agate from southern California, closed to digging since the ...
10/19/2025

Fantastic large slab of Wingate Pass aka Death Valley Plume Agate from southern California, closed to digging since the 1940s and on a military bombing range. SOLD.

07/20/2024

Our Cryogenie Tourmaline Mine, BLM , in southern California has been sold. Wishing the new owner much luck and success!

Spectacular and rare large precious Pink Opal from the Spencer Opal Mine in Idaho that we sold earlier this year.
05/05/2024

Spectacular and rare large precious Pink Opal from the Spencer Opal Mine in Idaho that we sold earlier this year.

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Watertown, SD
57201

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