"Fred Holabird's Grand Finale": Mining, Americana, & Numismatics Live Auction (2025 October)

Unique Herkimer Diamonds on Dolomite matrix. Cavities or "vugs" are lined with dark gray or black drusy crystals, that sometimes sparkle ...

Large Herkimer Diamonds on Dolomite matrix. This massive rock measures approximately 10 x 8 x 6 inches and has vugs that are pale to dark gray with

Herkimer diamonds are double-terminated quartz crystals discovered within exposed outcrops of dolomite in and around Herkimer County, New York. Most

Coleman mine, vertical display piece, quartz. 2.5x1.5" base, 4.5" tall. See photo. ^ Date: Country (if not USA): State: Arkansas City...

Coleman mine, quartz. Clear to white coloration. 10x3x5". See photo. ^ Date: Country (if not USA): State: Arkansas City: Coleman Mine Pro...

Coleman mine, quartz. Clear to white coloration with very subtle rosy hue at base. 8x5x3.75". See photo. ^ Date: Country (if not USA): Stat...

Coleman mine, flat display trio, quartz. Specimen A measures 5x1.75x2", B measures 5.1x2x2", & C measures 4x4.5x2.5". See photo. ...

Golden Rutilated Quartz Point - Perfect! 3.5 x 2 inches. Rutilated quartz (also known as Venus' Hair Stone is a variety of quartz which contain...

Large Clear Quartz Point with damage. Measures 7 x 2 inches. This is still a powerful piece due to size because size does matter according to energ

Quartz Crystal Points X-Large Trifecta. Massive, beautiful crystal points in crystal clear, pale yellow and smoky quartz (very pale). All are polished

Large Smokey Quartz Crystal. 5x7x3 3/4", 5.6 lbs. ^ Date: Country (if not USA): State: City: Provenance:

Rich, dark purple Uruguayan amethyst geode with two crystal balls. Stunning display specimen of small, royal purple amethyst crystals that have forme

Unstabilized opal specimens from the Royal Peacock Opal Mine in Denio, Nevada, near Virgin Valley. Preserved in water in sealed clear glass capsules

Magnificent Collection of Polished and Faceted Opals in 1" circular gem holders. 32 containers overall of different faceted opals of varying ...

Fossil Yellow Coral Exceptional Specimen. Large specimen from Brownsville, about 11" x 8" x 4" thick. a smaller piece has polished en...

Polished Fossilized Coral from Pakistan, with some visible agatization. Single display with one cut face minimally polished to smooth the sharp edge

Polished Fossilized Coral from Pakistan, with some visible agatization. Large single display with one cut face minimally polished to smooth the sharp

Polished Fossilized Coral from Pakistan, Lot of 2 cross sections cut from the same piece of coral. The cut face has been polished to a glassy finish.

Colla wood is an extremely rare version of Petrified Wood that comes from Zile, Turkey formed with inclusions of copper minerals such as Chrysocolla,

Colla wood is an extremely rare version of Petrified Wood that comes from Zile, Turkey formed with inclusions of copper minerals such as Chrysocolla,