Copper

(10,000 price results)

Sort by:

Most Relevant

129.02 Carats Natural Garnet Rough Parcel, 41XE: This substantial parcel of natural garnet rough showcases a rich, warm spectrum of hues, from deep reddish-brown and burgundy to vibrant amber and honey-orange tones. The stones are in their raw, crys

2026

129.02 Carats Natural Garnet Rough Parcel, 41XE

ThousandPlanetSathorn, Bangkok

124.68 Carats Natural Garnet Rough Parcel, 39XE: This substantial parcel of natural garnet rough showcases a rich, warm spectrum of hues, from deep reddish-brown and burgundy to vibrant amber and honey-orange tones. The stones are in their raw, crys

2026

124.68 Carats Natural Garnet Rough Parcel, 39XE

ThousandPlanetSathorn, Bangkok

Ancient Sasanian Chalcedony Zoomorphic Stamp Seal, 74YD: This ancient stamp seal is carved from translucent chalcedony, with a domed, lenticular form and central perforation for suspension. The flat face bears a finely engraved intaglio depicting a winged,

2026

Ancient Sasanian Chalcedony Zoomorphic Stamp Seal, 74YD

ThousandPlanetSathorn, Bangkok

Lot of 4 Ancient Egyptian Stone Fish Amulets, Circa Late Period to Roman Period, 46AE: The group consists of four fish-shaped amulets carved from dark brown and grey stone. Each is rendered in a stylized fish form with incised details representing eyes, scales, and fins. Three examples

2026

Lot of 4 Ancient Egyptian Stone Fish Amulets, Circa Late Period to Roman Period, 46AE

ThousandPlanetSathorn, Bangkok

365 carats Natural Lapis Lazuli Rough, 44ZB: This is a natural, unpolished lapis lazuli rough specimen, displaying varying shades of blue lazurite within a pale calcite matrix, with visible pyrite flecks scattered across the surface. The stone r

2026

365 carats Natural Lapis Lazuli Rough, 44ZB

ThousandPlanetSathorn, Bangkok

4.15 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.9x9.9mm, 17XM: This exceptional 4.15-carat Koroit boulder opal cabochon is a natural masterpiece, showcasing a striking, organic formation of milky white and peach-toned opal, infused with a vivid spectrum of play-o

2026

4.15 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.9x9.9mm, 17XM

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 52g, 89WS: This collection of raw opal rough hails from Australia's legendary Lightning Ridge, showcasing the region's iconic play-of-color potential. The stones exhibit a range of natural hues, from milky white

2026

Natural Australian Lightning Ridge Opal Rough, 52g, 89WS

ThousandPlanetSathorn, Bangkok

35.82ct Natural Mauritania Ruby Rough (Unheated), 60XA: This unheated Mauritania ruby rough is a captivating natural crystal specimen, featuring vivid magenta-purple ruby formations embedded in a contrasting greyish matrix. The stone's rugged, unpolished s

2026

35.82ct Natural Mauritania Ruby Rough (Unheated), 60XA

ThousandPlanetSathorn, Bangkok

4.84 Carats Natural Ethiopian Welo Opal - Oval Cabochon Loose Gemstone Lot, 61WE: Natural oval cabochon Welo opal lot, sourced from the premium Welo deposit in Ethiopia. This curated collection showcases exceptional opals with vivid, full-spectrum play-of-color-flashing fiery reds,

2026

4.84 Carats Natural Ethiopian Welo Opal - Oval Cabochon Loose Gemstone Lot, 61WE

ThousandPlanetSathorn, Bangkok

17.98 Carats Midnight Blue Star Sapphire Oval Cabochon - Natural Loose Gemstone, 4XC: This extraordinary, large-sized star sapphire presents a breathtaking celestial display, featuring a rich, deep midnight blue hue that serves as a dramatic backdrop for its exceptionally vivid six-ray

2026

17.98 Carats Midnight Blue Star Sapphire Oval Cabochon - Natural Loose Gemstone, 4XC

ThousandPlanetSathorn, Bangkok

2.72 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x8mm, 30XC: This captivating Welo opal gleams with a luminous cascade of multi neon color that ripple across the stone's surface with every movement. The play-of-color is vivid and well-distributed, presenting a

2026

2.72 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x8mm, 30XC

ThousandPlanetSathorn, Bangkok

Lot of 9 Grape Agate Mineral Specimens, 96AC: A group of nine natural grape agate specimens, each displaying characteristic botryoidal chalcedony formations in varying shades of purple, lavender, and greenish-blue. The surfaces are composed of de

2026

Lot of 9 Grape Agate Mineral Specimens, 96AC

ThousandPlanetSathorn, Bangkok

6.70 Carats Welo Opal Oval Cabochon - Natural Ethiopian Stone, 5XB: This stunning oval cabochon of Welo opal captivates with a mesmerizing play of color, featuring broad, sweeping flashes of vivid red, lime green, and golden orange against a creamy translucent base. T

2026

6.70 Carats Welo Opal Oval Cabochon - Natural Ethiopian Stone, 5XB

ThousandPlanetSathorn, Bangkok

12.31 Carats Natural Turquoise - Oval Cabochon Gemstone, 100WE: Oval cabochon-cut turquoise gemstone, crafted from natural turquoise material. The stone displays a vivid sky-blue to turquoise coloration, with natural matrix inclusions, pyrite flecks, and subtle ve

2026

12.31 Carats Natural Turquoise - Oval Cabochon Gemstone, 100WE

ThousandPlanetSathorn, Bangkok

A Near Eastern Stone Maskette, 1st Millennium BCE, 29FL: Carved from brownish-tan stone with natural surface patination and minor chipping, the maskette is shaped as a rounded face with prominent, stylized features. The eyes are large and almond-shaped, eac

2026

A Near Eastern Stone Maskette, 1st Millennium BCE, 29FL

ThousandPlanetSathorn, Bangkok

20.74 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 47XA: This vibrant collection of Welo opals features a stunning variety of translucent body tones, from milky white and soft cream to warm honey and golden-orange, each adorned with vivid, shifting color pl

2026

20.74 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 47XA

ThousandPlanetSathorn, Bangkok

20.32 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 53XA: This luminous collection of Welo opals showcases a rich spectrum of warm and cool translucent body tones, from milky white and soft cream to honey and golden amber, each adorned with vivid, shifting c

2026

20.32 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 53XA

ThousandPlanetSathorn, Bangkok

1.08 Carats Natural Tanzanite - Oval Faceted Loose Gemstone, 92WE: Natural oval-faceted tanzanite gemstone, mined from the iconic Merelani Hills of Tanzania. This specimen exhibits a stunning, vivid blue-violet hue with subtle pleochroism, shifting between cool blue

2026

1.08 Carats Natural Tanzanite - Oval Faceted Loose Gemstone, 92WE

ThousandPlanetSathorn, Bangkok

129.35 Carats Earthy Banded Jasper Cabochon Parcel - Natural Brazilian Stones 1.2-2.7cm, 70ZJ: This curated parcel of banded jasper cabochons showcases the earthy, organic beauty of this ancient stone, with swirling bands of warm beige, terracotta, and deep charcoal that evoke desert landscapes

2026

129.35 Carats Earthy Banded Jasper Cabochon Parcel - Natural Brazilian Stones 1.2-2.7cm, 70ZJ

ThousandPlanetSathorn, Bangkok

Natural Burmese Type A Jadeite Jade Pendants, 27AG: The lot comprises two teardrop-shaped jadeite pendants. The left pendant is carved from mottled pale green jadeite with natural inclusions, featuring a high-relief flower motif with layered petals, a

2026

Natural Burmese Type A Jadeite Jade Pendants, 27AG

ThousandPlanetSathorn, Bangkok

Ancient Near Eastern Carnelian Intaglio Seal, 39WL: This oval carnelian intaglio features a deeply engraved scene of two standing figures facing each other, flanking a central sacred plant or palm tree motif. The figures are rendered in a formal, symme

2026

Ancient Near Eastern Carnelian Intaglio Seal, 39WL

ThousandPlanetSathorn, Bangkok

191.96 Carats Natural Garnet Rough Parcel, 37XE: This generous parcel of natural garnet rough showcases a rich, warm spectrum of hues, from deep reddish-brown and burgundy to vibrant amber and honey-orange tones. The stones are in their raw, crystal

2026

191.96 Carats Natural Garnet Rough Parcel, 37XE

ThousandPlanetSathorn, Bangkok

Lot of 9 Grape Agate Mineral Specimens, 38AC: A group of nine natural grape agate specimens, each displaying characteristic botryoidal chalcedony formations in varying shades of purple, lavender, and greenish-blue. The surfaces are composed of de

2026

Lot of 9 Grape Agate Mineral Specimens, 38AC

ThousandPlanetSathorn, Bangkok

28.26 Carats Multicolor Iridescent Winton Opal Rough - Natural Australian Specimen 30x12mm, 82XM: This exceptional rough opal from Winton, Australia, captivates with a vivid play of color, where intense flashes of fiery orange, golden yellow, vibrant green, and deep blue swirl through a milky, tra

2026

28.26 Carats Multicolor Iridescent Winton Opal Rough - Natural Australian Specimen 30x12mm, 82XM

ThousandPlanetSathorn, Bangkok

View:

24

Copper Auctions

Luca Giordano (Napoli 1634 - 1705) Giuseppe spiega i sogni in carcere

Francesco Trevisani (Capodistria 1656 - Roma 1746) Madonna del cucito

Artista fiammingo, XVII secolo () Natura morta con leprotto appeso

OLD MASTER PAINTINGS

Bertolami Fine Art s.r.l.

Starts on:

Rome, Italy, IT

7 hrs Left

Chester Webster North Carolina Decorated Jug ca. 1850

Benny Carter Folk Painting

American Quilt ca. 1900

Folk Art | Outsider Art | Americana

Ledbetter Folk Art Auction

Starts on:

Gibsonville, NC, US

8 hrs Left

2 13/16" Saddle Bannerstone, Granite with Porphyry Material, Morrow Co., Ohio, Ex. Randy Bauer,

4 1/8" Ocala Point, LaSalle Co., Illinois, Ex. Larry VanBibber, Ex. Brian Wrage, Motley COA

2 1/8" Fishtail Dalton, Tupelo, Arkansas, Found by John Middlebrook

Native American, Pre-Columbian Artifacts

Heartland Artifact Auctions

Starts on:

Quincy, IL, US

TOP