"Wild West Wonders" Premier Live Auction (2025 August)

Two specimens with brucite. Nye County. One of America's few magnesite mines. Deposits discovered in the late 1920s. Used to produce magnesium f...

Two specimens mined by FMC. Gold deposit in Nye County. About 2 x 3 x 3" Please see photos for dimensions. ^ Date: Country (if not USA): ...

Copper oxide ore specimen mounted for desk display from the well-known MacArthur deposit outside of Yerington with small plaque Quaterra Resources. Th

Two cut slabs with fine-grained native gold all throughout from the Ken Snyder Mine at Midas. The Ken Snyder Mine is located in the Gold Circle Mining

These ore specimens represent three different deposits at Tonopah. One is ore from the dump at the Mizpah Shaft. About 6 x 6 x 2" Next is from ...

Dave Shaddrick worked on this deposit during his stretch with the Homestake Mining Company decades ago. He told us this specimen ran 1300 oz/ton gold.

Includes: 1) Gold ore from a mine at Rockford, South Dakota in the Black Hills. 0.04 oz/ton gold. With assay from Homestake. 2) Two specimens from Hol

Gold and barite. About 6 x 6 x 6" Butte County is north of Lawrence County, home to the fabulous Homestake Mine. ^ Date: Country (if not USA...

This specimen is fascinating. It is one of three that Dave Shaddrick said contains a mineral they believed might be unique to the Homestake Mine, and

This specimen is fascinating. It is one of three that Dave Shaddrick said contains a mineral they believed might be unique to the Homestake Mine, and

This specimen is fascinating. It is one of three that Dave Shaddrick said contains a mineral they believed might be unique to the Homestake Mine, and

Crocidolite, also known as blue asbestos, is a fibrous form of the amphibole mineral riebeckite. Please see photos for dimensions. ^ Date: Country (

This pair of ore specimens are important because these two minerals (cummingtonite and sideroplesite) are key indicator minerals for Homestake. Cummin

Two very important and massive specimens. Both are about 12 x 6 x 3" Cummingtonite schist develops in the sideroplesite. They are critical indi...

When we unpacked this in front of Dave, his eyes lit up and he said "that's a goody!" He believed it was from somewhere in the 1850-42...

Spectacular specimen, possibly one of the best high grade specimens ever let out of the Homestake Mine! From the center of the ore zone showing high g

This specimen from the Homestake Formation shows tourmaline and vein quartz. It was found on the 1,700 ft. level of the Homestake Mine, No. 9 ledge. P

Group of different specimens from the Homestake Formation. 1) Large hand specimen of low grade ore from the surface (now mostly gone because of open p

Huge cut slab (approx. 12 x 15 x 1") with a natural surface. Shows all the attributes of the Homestake Formation, including tight folds, Tertia...

Lot of 5 crystal specimens from the late stage, Tertiary secondary vein fracture mineralization at the Homestake Mine. Pyrite, quartz, and calcite. Al