16K views · 645 reactions | We are incredibly excited by our new hand-mined clusters of quartz on adularia crystals from Hamilton Hill. This mine, opened in 1865, is reputed to be the most productive in Arkansas. Stay tuned for more! | Avant Mining LLC | Facebook

See the largest American turquoise nugget on record, mined from our Mona Lisa Mine in Polk County, Arkansas, along with several exceptional Crystal Vortex specimens, at @granada.gallery in Tucson, Arizona! And visit our two 2020 Tucson show locations, the AGTA GemFair (booth 1614) through February 9th, and the 22nd Street Show (booth SC-L6) through February 16th! | Avant Mining LLC