Rush to the Rockies Auction (August 2022)

Green fire opal(.5") in dark metal mount. Date: Country (if not USA): State: City: Provenance:

3 fine Opals: Mexican fire 1.91 and 2.87. Oval, weight unknown. Date: Country (if not USA): State: City: Provenance:

13 fire opals of high quality with great orange, red and yellow fire colors, total weight 13.3g. 2 oval higher quality fire opals, 12mm and 13mm. Dat

About 30 cut pieces of lapis lazuli. Mostly oval. Date: Country (if not USA): State: City: Provenance:

10 fantastic Montana gem stones. Light amethyst sapphire, red sapphire, blue star sapphire. 7 round light to dark sapphires, all about .4-.7 ct. Dat

10 faceted gem stones. Brazilian Citrine 3.46 and 3.94. Hessonite pear garnet 3.93. Garnet .55 and rectangular weight unknown. Rectangular quartz ? Za

3 faceted Tanzanites: .41, .97, .70. Date: Country (if not USA): State: City: Provenance:

Sleeper Mine High Grade Gold Specimen, a very large cut specimen. This rock has been cut on three sides perfectly exposing the banded nature of the Sl

Sleeper Mine high grade gold (electrum) specimen, 202 grams, 5 x 8 x 4cm. Bands of electrum and quartz (and former silica gel) in a sample with platy

Exceptional high grade native gold (electrum) in banded quartz from the Sleeper Mine in Humboldt County. This mine has produced some whopper native go

Exceptional specimen of very high grade gold from the Fire Creek ore deposit near Crescent Valley and Hilltop. The specimen is 5 x 7 x 2cm, 97 grams,

National Mine Native Gold Specimen. 3 x 6 cm, 23g polished cut surface of a single dendrite of electrum (native gold) in quartz. The Stall shaft sampl

Lot Withdrawn

Alaska Klondike Co-op Mining Expedition, 1897, invitation to next general meeting in Philadelphia. Uppercu was accused of embezzling $1800 from First

1963 reprint of 1878 original. Historical content of these 2 mining areas with 2 foldout claim maps. 60pp. Date: Country (if not USA): State: Ca

California Mines and Minerals, 1899. Souvenir Edition. Calaveras County and Motherlode foldout map. 450pp with index plus ads. Date: Country (if no

Two page letter signed by James W. McCullough, who wants to talk to a Pittsburgh banker about a gold mine 16 miles from Summit Station. We think this

The Pelton Water Wheel Embracing in its variations of construction and application The Pelton System of Power, Patented in the U.S. & Foreign C...

Rare 24mm bronze medal. US Department of Commerce/ Bureau of Mines/ (pic safety lamp)/ San Francisco/California /1926/ International Contest//high rel

Unissued Lewiston Turnpike stock, memorandum of gold bullion deposited at San Francisco Assaying and Refining Works 1870 by K&E Shasta Date: c...