Gem And Mineral Auction | Live and Online Auctions on HiBid.com

KC Auction Company

Date(s) 10/29/2024 - 11/11/2024

Online now for registration and early bidding, this auction is Monday, November 11th at 7pm central time.

Join us for an extraordinary online auction featuring over 250 exceptional specimens from the world of minerals, gems, and geological wonders. This carefully curated collection includes: Museum-quality specimens from renowned global locations Fine mineral specimens including Rhodochrosite from Colorado, Dioptase from DR Congo, and Fluorite from China Precious gemstones including Aquamarine, Emerald, Ruby, and Tanzanite specimens Rare specimens including native Silver from Morocco and Gold from the Yukon Impressive decorative pieces including Amethyst cathedrals and geodes Collector-grade spheres in various minerals including Labradorite, Amethyst, and Fluorite Distinctive pieces like gemstones, globes, sculptures, and bookends Both rough and cut gemstones for collectors and jewelers AUCTION DETAILS: All lots start at just $5.00 No reserves on any items Auction ends November 11th at 7:00 PM CST Bidding is entirely online Whether you're a serious mineral collector, gemstone enthusiast, or interior decorator looking for striking natural pieces, this auction offers something for every taste and budget. Don't miss this opportunity to acquire exceptional specimens at incredible starting prices!

Bidding Open

Online-Only Auction

Shipping Available

Auction Details Register to Bid

Bidding Notice:

This online-only auction is at 7pm central time on Monday, November 11th. 18% buyer's premium. See Lots 1 and 1a for important bidding and updated shipping/pick up information. Buyer's Premium: 18%

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Showing 201 to 300 of 342 lots

Lot 199 |

Crystal Cave Sphalerite Obelisk, 55.8g

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High Bid: 7.50 USD

2 Bids

3d 3h 43m

Lot 200 |

Quartz Chalcedony and Calcite Specimen, 108.4g

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High Bid: 5.00 USD

1 Bid

3d 3h 43m

Lot 201 |

Transparent Fluorite Quartz, 66.6g

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High Bid: 17.50 USD

5 Bids

3d 3h 43m

Lot 202 |

Pyrite Specimen, 155.1g

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High Bid: 5.00 USD

1 Bid

3d 3h 44m

Lot 203 |

Quartz Specimen from San Juan Mnts., 10.5g

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High Bid: 12.50 USD

4 Bids

3d 3h 44m

Lot 204 |

Large Amethyst Geode

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High Bid: 40.00 USD

13 Bids

3d 3h 44m

Lot 205 |

Transparent Green Fluorite and Quartz, 730g

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High Bid: 5.00 USD

1 Bid

3d 3h 45m

Lot 206 |

Amethyst Cluster Geode, 222g

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High Bid: 5.00 USD

1 Bid

3d 3h 45m

Lot 207 |

Amethyst Cluster, 232g

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High Bid: 15.00 USD

4 Bids

3d 3h 45m

Lot 208 |

Green Fluorite Specimen

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High Bid: 5.00 USD

1 Bid

3d 3h 46m

Lot 209 |

Green Druzy Cathedral Quartz, 52.2g

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High Bid: 10.00 USD

3 Bids

3d 3h 46m

Lot 210 |

Polished Moss Agate

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High Bid: 10.00 USD

3 Bids

3d 3h 46m

Lot 211 |

Crystal Geode Specimen, 34.8g

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High Bid: 5.00 USD

1 Bid

3d 3h 47m

Lot 212 |

Quartz Cluster with Green Inclusions, 25.6g

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High Bid: 17.50 USD

6 Bids

3d 3h 47m

Lot 213 |

Banded Agate Geode, 42.5g

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High Bid: 5.00 USD

1 Bid

3d 3h 47m

Lot 214 |

Natural Ruby from Afghanistan, 18.8g

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High Bid: 7.50 USD

2 Bids

3d 3h 48m

Lot 215 |

Smoky Amethyst Crystal Cluster, 77.1g

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High Bid: 5.00 USD

1 Bid

3d 3h 48m

Lot 216 |

Pink Imperial Topaz, 26.7g

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High Bid: 7.50 USD

2 Bids

3d 3h 48m

Lot 217 |

Quartz Crystal Cluster, 142.8g

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High Bid: 5.00 USD

1 Bid

3d 3h 49m

Lot 218 |

Druzy Geode, 137.6g

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High Bid: 5.00 USD

1 Bid

3d 3h 49m

Lot 219 |

Pyrite Specimen, 614.1g

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High Bid: 5.00 USD

1 Bid

3d 3h 49m

Lot 220 |

Pink Tourmaline in Quartz, 484.1g

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High Bid: 12.50 USD

4 Bids

3d 3h 50m

Lot 221 |

Green Moldavite Specimen, 53ct

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High Bid: 15.00 USD

5 Bids

3d 3h 50m

Lot 222 |

Amazonite Specimen, 44.6g

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High Bid: 7.50 USD

2 Bids

3d 3h 50m

Lot 222a |

Black Tourmaline and Quartz, 159.2g

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High Bid: 5.00 USD

1 Bid

3d 3h 51m

Lot 223 |

Labradorite Polished Specimen, 134.3g

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High Bid: 12.50 USD

4 Bids

3d 3h 51m

Lot 224 |

Black Tourmaline in Matrix, 55.6g

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High Bid: 5.00 USD

1 Bid

3d 3h 51m

Lot 225 |

Vanadinite Crystal Cluster, 33.1g

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High Bid: 5.00 USD

1 Bid

3d 3h 52m

Lot 226 |

Red Jasper Ring, Size 6½

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High Bid: 10.00 USD

3 Bids

3d 3h 52m

Lot 227 |

Blue Celestite Crystal Geode

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High Bid: 22.50 USD

7 Bids

3d 3h 52m

Lot 228 |

Natural Goethite Symbiosis Cluster

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High Bid: 120.00 USD

16 Bids

3d 3h 53m

Lot 229 |

Polished Amethyst Cluster Geode

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High Bid: 12.50 USD

4 Bids

3d 3h 53m

Lot 230 |

Amethyst Cathedral Crystal Cluster, 424.9g

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High Bid: 12.50 USD

3 Bids

3d 3h 53m

Lot 231 |

Black Sphalerite Druzy Cluster with Face, 392.0g

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High Bid: 10.00 USD

3 Bids

3d 3h 54m

Lot 232 |

Natural Quartz Geode Halves, 515.9g

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High Bid: 5.00 USD

1 Bid

3d 3h 54m

Lot 233 |

Citrine Geode Crystal Cathedral

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High Bid: 70.00 USD

15 Bids

3d 3h 54m

Lot 234 |

Heart Shaped Dragon Septarian Calcite Geode

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High Bid: 15.00 USD

5 Bids

3d 3h 55m

Lot 235 |

Purple Cubic Fluorite Crystal Cluster

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High Bid: 7.50 USD

2 Bids

3d 3h 55m

Lot 236 |

Large Deep Purple Amethyst Crystal Cluster

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High Bid: 70.00 USD

13 Bids

3d 3h 55m

Lot 237 |

Velvet Chalcedony Specimen

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High Bid: 10.00 USD

3 Bids

3d 3h 56m

Lot 238 |

Citrine Geode, 1185g

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High Bid: 60.00 USD

10 Bids

3d 3h 56m

Lot 239 |

Grape Agate Chalcedony Crystal Specimen

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High Bid: 22.50 USD

5 Bids

3d 3h 56m

Lot 240 |

Multicolor Grape Agate on Stand

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High Bid: 60.00 USD

12 Bids

3d 3h 57m

Lot 241 |

Sphalerite and Antlerite Specimen

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High Bid: 10.00 USD

3 Bids

3d 3h 57m

Lot 242 |

Huge Amethyst Crystal Cluster

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High Bid: 35.00 USD

8 Bids

3d 3h 57m

Lot 243 |

Natural White Quartz Specimen

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High Bid: 0.00 USD

0 Bids

3d 3h 58m

Lot 244 |

Baltic Amber Specimen, 915g

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High Bid: 17.50 USD

6 Bids

3d 3h 58m

Lot 245 |

Beryl var Aquamarine from Namibia, 3045g

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High Bid: 12.50 USD

4 Bids

3d 3h 58m

Lot 246 |

Large Smoky Quartz Cluster, 8850g

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High Bid: 120.00 USD

18 Bids

3d 3h 59m

Lot 247 |

115mm Dream Amethyst Polished Sphere

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High Bid: 22.50 USD

6 Bids

3d 3h 59m

Lot 248 |

140mm Sphalerite Quartz Polished Sphere

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High Bid: 12.50 USD

3 Bids

3d 3h 59m

Lot 249 |

95mm Dream Amethyst Polished Sphere

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High Bid: 15.00 USD

5 Bids

3d 4h

Lot 250 |

125mm Labradorite Polished Sphere

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High Bid: 22.50 USD

7 Bids

3d 4h

Lot 251 |

Natural Quartz Geode Half, 529.5g

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High Bid: 5.00 USD

1 Bid

3d 4h

Lot 252 |

Quartz Geode with Calcite Half

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High Bid: 5.00 USD

1 Bid

3d 4h 1m

Lot 253 |

Amethyst Geode, 236.8g

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High Bid: 17.50 USD

7 Bids

3d 4h 1m

Lot 254 |

Deep Purple Amethyst Cluster, Uruguay

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High Bid: 10.00 USD

3 Bids

3d 4h 1m

Lot 255 |

Large Amethyst Crystal Cluster, Uruguay

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High Bid: 10.00 USD

3 Bids

3d 4h 2m

Lot 256 |

130mm Rose Quartz Polished Sphere

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High Bid: 70.00 USD

13 Bids

3d 4h 2m

Lot 257 |

Calcite Crystals on Matrix, 84.4g

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High Bid: 5.00 USD

1 Bid

3d 4h 2m

Lot 258 |

Grape Agate Cluster, 213.1g

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High Bid: 10.00 USD

3 Bids

3d 4h 3m

Lot 259 |

Amethyst Quartz Specimen

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High Bid: 7.50 USD

2 Bids

3d 4h 3m

Lot 260 |

Banded Polished Agate Sections

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High Bid: 22.50 USD

6 Bids

3d 4h 3m

Lot 261 |

Onyx Horse Head Bookends, 2pc

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High Bid: 12.50 USD

4 Bids

3d 4h 4m

Lot 262 |

Marble Horse Head Bookends, 2pc

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High Bid: 12.50 USD

4 Bids

3d 4h 4m

Lot 263 |

Blue Agate Polished Bookends from Brazil, 2pc

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High Bid: 22.50 USD

8 Bids

3d 4h 4m

Lot 264 |

Grape Agate Cluster on Base

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High Bid: 12.50 USD

4 Bids

3d 4h 5m

Lot 265 |

145mm Sphalerite Sphere with Druze

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High Bid: 7.50 USD

2 Bids

3d 4h 5m

Lot 266 |

74mm Mahogany Onyx Sphere

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High Bid: 10.00 USD

3 Bids

3d 4h 5m

Lot 267 |

75mm Rainbow Onyx Sphere

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High Bid: 5.00 USD

1 Bid

3d 4h 6m

Lot 268 |

65mm Pork Stone (Red Banded Calcite) Sphere

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High Bid: 5.00 USD

1 Bid

3d 4h 6m

Lot 269 |

Large Botryoidal Purple Chalcedony Grape Agate

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High Bid: 45.00 USD

11 Bids

3d 4h 6m

Lot 270 |

4 Amethyst Clusters

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High Bid: 7.50 USD

2 Bids

3d 4h 7m

Lot 271 |

140mm Sphalerite Sphere, 7 Lbs

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High Bid: 7.50 USD

2 Bids

3d 4h 7m

Lot 272 |

Spessartine on Sphalerite Specimen

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High Bid: 5.00 USD

1 Bid

3d 4h 7m

Lot 273 |

Schorl/Black Tourmaline. Fano Mine, CA

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High Bid: 7.50 USD

2 Bids

3d 4h 8m

Lot 274 |

2 Pcs Bornite on Quartz with Pyrite

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High Bid: 7.50 USD

2 Bids

3d 4h 8m

Lot 275 |

2 Pcs Pyromorphite Specimens

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High Bid: 10.00 USD

3 Bids

3d 4h 8m

Lot 276 |

53mm Amethyst Geode Sphere

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High Bid: 20.00 USD

7 Bids

3d 4h 9m

Lot 277 |

Tetrahedral Pyrite Specimen

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High Bid: 5.00 USD

1 Bid

3d 4h 9m

Lot 278 |

Fluorite Cluster Specimen

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High Bid: 5.00 USD

1 Bid

3d 4h 9m

Lot 279 |

2 Dioptase Crystal Mineral Specimens

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High Bid: 7.50 USD

2 Bids

3d 4h 10m

Lot 280 |

2 Pcs Bornite on Quartz with Pyrite

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High Bid: 5.00 USD

1 Bid

3d 4h 10m

Lot 281 |

Minerals Of The United States

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High Bid: 5.00 USD

1 Bid

3d 4h 10m

Lot 282 |

Pargasite on Marble

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High Bid: 7.50 USD

2 Bids

3d 4h 11m

Lot 283 |

Dark Purple Australian Amethyst Cluster

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High Bid: 12.50 USD

4 Bids

3d 4h 11m

Lot 284 |

Solenastrea Hyades Coral Specimen

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High Bid: 5.00 USD

1 Bid

3d 4h 11m

Lot 285 |

76mm Citrine Geode Sphere

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High Bid: 30.00 USD

10 Bids

3d 4h 12m

Lot 286 |

4 Blue Brazilian Agate Half Rounds

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High Bid: 10.00 USD

3 Bids

3d 4h 12m

Lot 287 |

151mm Sphalerite Sphere

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High Bid: 7.50 USD

2 Bids

3d 4h 12m

Lot 288 |

115mm Volcano Agate Sphere

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High Bid: 35.00 USD

8 Bids

3d 4h 13m

Lot 289 |

65mm Leopard Skin Jasper Sphere

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High Bid: 10.00 USD

3 Bids

3d 4h 13m

Lot 290 |

65mm Volcanic Agate Sphere

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High Bid: 7.50 USD

2 Bids

3d 4h 13m

Lot 291 |

Celestite Geode

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High Bid: 7.50 USD

2 Bids

3d 4h 14m

Lot 292 |

128mm Labradorite Sphere

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High Bid: 110.00 USD

15 Bids

3d 4h 14m

Lot 293 |

Pyromorphite Crystal Cluster

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High Bid: 5.00 USD

1 Bid

3d 4h 14m

Lot 294 |

Agate Geode w/ Pyrite and Pewter Miner

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High Bid: 10.00 USD

3 Bids

3d 4h 15m

Lot 294a |

140mm Blue Sodalite Sphere

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High Bid: 30.00 USD

8 Bids

3d 4h 15m

Lot 295 |

Citrine Crystal Cluster

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High Bid: 30.00 USD

10 Bids

3d 4h 15m

Lot 296 |

4 Agate Half Rounds; Thunderegg

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High Bid: 7.50 USD

2 Bids

3d 4h 16m