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

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