December 2018 Auction- A Sale to "Die" for.

Calcite, Maracite ± Barite crystals on plates of marcasite with minor pyrite. 2x2x1". Field Guide: staff. (This specimen was found at the ...

Probably from the Buckskin Mines in Smith Valley. #32 weighs 28.5g. #33 weighs 20.6g. #34 weighs 36.9g. #35 weighs 90.5g. # 36, polished, weighs 12.5g

White opals are referred to as "common opal" or "potch" which has a milky or pearly luster known as "opalescence." #86...

These are very unusual turquoise specimens from the Zig Zag mine, which was known primarily for tungsten. Most of these specimens are nodues and are a

Two specimens of high-grade gold from the Pine Nut mountains, probably near Como. Both contain visible gold, 8 g total, the largest is a slab about 1

These are lower grade scraps of turquoise, a pale green turquoise color. #43 weighs 74g. #44 weighs 65g. "The Verde Blue Turquoise Mine is a ne...

Group of nodules, #2 light green weighs 45g. #5 brighter green with brown matrix, polished slices weigh 16.6g. #6 polished deeper green, brown spiderw

20 pieces of Fairfield variscite. #31 weighs 158g. Beautiful deep mint green stones. Some of the variscite is coated with yellow and black phosphates;

Very nice, small agate. This specimen is know as " Ellensburg Blue agate. The size is around 2". Very nice specimen with a light blue cast...

"The Green River Formation is an Eocene geologic formation that records the sedimentation in a group of intermountain lakes in three basins alo...