Modern Fossils

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39.72 Ct Natural Mariam Jasper Quartz Pear Cab: weight - 39.72 Ct / Dimensions - 34.00 x 21.00 x 7.10 mm / Shape - Excellent Pear Cab / Origin - Brazil / Treatment - None

2026

39.72 Ct Natural Mariam Jasper Quartz Pear Cab

Gems AuctionBangkok, TH

30.38 Ct Natural Rutile Quartz Dumbbell Cut Beads: Weight - 30.38 Ct / Dimensions - 14.0x9.3 - 14.7x9.6 mm / 3 Pc's / Shape & Cut - Dumbbell Cut Beads / Transparency - Transparent / Origin - Norway / Comments - None

2026

30.38 Ct Natural Rutile Quartz Dumbbell Cut Beads

Gems AuctionBangkok, TH

7.77 Ct Natural Blue Apatite Round Cut Beads: Weight - 7.77 Ct / Dimensions - 3.50 - 4.10 mm / 24 Pc's / Top Class Quality / Round Cut Beads / Origin - Brazil / Treatment - None

2026

7.77 Ct Natural Blue Apatite Round Cut Beads

Gems AuctionBangkok, TH

Assorted Trilobite Fossil Species in Ten Stone Matrices: North America / Africa, Morocco, Cambrian to Permian Period, ca. 520 to 251 million years ago. A collection of ten natural stone matrices featuring well-preserved full and partial trilobite remains. T

2026

Assorted Trilobite Fossil Species in Ten Stone Matrices

Artemis Fine ArtsLouisville, CO

Pair of Polished Fossilized Mammoth Molar Panels: North America or Siberia, Pleistocene Epoch, ca. 1 million to 10,000 years ago. A pair of fossilized mammoth molar panels, each cut and polished to a smooth finish that highlights the distinctive laye

2026

Pair of Polished Fossilized Mammoth Molar Panels

Artemis Fine ArtsLouisville, CO

Seymchan Meteorite Cube Etched Widmanstatten Pattern: Eastern Europe, Russia, southeastern Magadan Region, Seymchan, ca. 1967 CE. A cube cut from the Seymchan pallasite meteorite, composed primarily of iron-nickel alloy - approximately 85% iron and 13% n

2026

Seymchan Meteorite Cube Etched Widmanstatten Pattern

Artemis Fine ArtsLouisville, CO

RED JASPER ROCK STONE LAPIDARY SPECIMEN: RED JASPER ROCK STONE LAPIDARY SPECIMEN

2026

RED JASPER ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

3.4ct Brazilian Aquamarine Oval Cut No Reserve AGSL Certified: Known for its high-quality, pale blue color, this size is chosen for its brilliance, with popular oval cuts maximizing light reflection. It is generally eye-clean.

2026

3.4ct Brazilian Aquamarine Oval Cut No Reserve AGSL Certified

California GemstonesSan Diego, CA

9.5ct Light Blue Tanzanite Trillion Cut No reserve EGL Certified: Triangular-shaped gemstone featuring 31 to 50 facets to maximize brilliance. This rare, natural stone typically shows high transparency ("eye clean") and, due to its trichroic nature, may display subt

2026

9.5ct Light Blue Tanzanite Trillion Cut No reserve EGL Certified

California GemstonesSan Diego, CA

3.75 Carat Blue Tourmaline Brilliant Round Cut AGSL Certified: A round-cut blue tourmaline is a significant, high-value gemstone, often identified as indicolite or a vibrant bluish-green variety, typically sourced from locations like Afghanistan.

2026

3.75 Carat Blue Tourmaline Brilliant Round Cut AGSL Certified

California GemstonesSan Diego, CA

3.65ct Ceylon Royal Cobalt Blue Spinel Oval Cut No Reserve AGSL Certified: Sourced from Sri Lanka’s famed mining region, Ratnapura. It is prized for its high color saturation—a vivid, intense cobalt blue— without the heavy dark tones found in other blues, exhibiting hi

2026

3.65ct Ceylon Royal Cobalt Blue Spinel Oval Cut No Reserve AGSL Certified

California GemstonesSan Diego, CA

6.4ct Arkansas Blue Benitoite Cushion Cut No Reserve ASGL Certified: Arkansas blue Benitoite is found at the Diamond Jo Quarry in Magnet Cove, Hot Spring County, Arkansas.

2026

6.4ct Arkansas Blue Benitoite Cushion Cut No Reserve ASGL Certified

California GemstonesSan Diego, CA

10.9ct Royal Blue Tanzanite Heart Cut No Reserve EGL Certified: A large-sized investment piece. At this weight, it typically exhibits a deep, intense blue hue, which is the most sought-after color for this gem. he "Royal Blue" color, combined with a large carat we

2026

10.9ct Royal Blue Tanzanite Heart Cut No Reserve EGL Certified

California GemstonesSan Diego, CA

12ct Brazilian Paraiba Neon Blue Tourmaline Oval Cut No Reserve EGL Certified: Investment-grade gemstone characterized by its intense, neon electric-blue to blue-green color, powered by copper trace elements. A stone of this size and origin is highly prized for its vibrant "neon

2026

12ct Brazilian Paraiba Neon Blue Tourmaline Oval Cut No Reserve EGL Certified

California GemstonesSan Diego, CA

7.35ct Ceylon JAVA PLUM! Cushion Cut No Reserve AGSL Certified: a rich, deep purplish-violet hue that mimics the color of a ripe Java plum (also known as Jamun or black plum). These stones often show a vibrant blend of purple and blue and are highly prized for the

2026

7.35ct Ceylon JAVA PLUM! Cushion Cut No Reserve AGSL Certified

California GemstonesSan Diego, CA

SOLD

Two Sterling Silver Ammonite Fossil Pendants: About 1.5 inches, includes note on fossil

2026

Two Sterling Silver Ammonite Fossil Pendants

Nest Egg Estate Sales LLCDallas, OR

AMETHYST CRYSTAL PENDANT ROCK STONE LAPIDARY SPECIMEN: AMETHYST CRYSTAL PENDANT ROCK STONE LAPIDARY SPECIMEN

2026

AMETHYST CRYSTAL PENDANT ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

ARAGONITE ROCK STONE LAPIDARY SPECIMEN: ARAGONITE ROCK STONE LAPIDARY SPECIMEN

2026

ARAGONITE ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

COPROLITE ROCK STONE LAPIDARY SPECIMEN: COPROLITE ROCK STONE LAPIDARY SPECIMEN

2026

COPROLITE ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

1 POUND BRAZILIAN AGATE ROCK STONE LAPIDARY SPECIMEN: 1 POUND BRAZILIAN AGATE ROCK STONE LAPIDARY SPECIMEN

2026

1 POUND BRAZILIAN AGATE ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

GEM RHODONITE 175 CARATS ROCK STONE LAPIDARY SPECIMEN: GEM RHODONITE 175 CARATS ROCK STONE LAPIDARY SPECIMEN

2026

GEM RHODONITE 175 CARATS ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

ROSE QUARTZ ROCK STONE LAPIDARY SPECIMEN: ROSE QUARTZ ROCK STONE LAPIDARY SPECIMEN

2026

ROSE QUARTZ ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

Rocks and Minerals - Many Polished - For Collecting, Jewelry Making, Etc. - Amethyst, Agate, Jasper,: Rocks and Minerals - Many Polished - For Collecting, Jewelry Making, Etc. - Amethyst, Agate, Jasper, Tiger Eye, Etc.

2026

Rocks and Minerals - Many Polished - For Collecting, Jewelry Making, Etc. - Amethyst, Agate, Jasper,

CATAMOUNT AUCTION CO LLCShelburne Falls, MA

SOLD

40.15 Carat Swiss Blue Topaz Cushion Cut Loose Gemstone For Jewellery: Title: 40.15 Carat Swiss Blue Topaz Cushion Cut Loose Gemstone For Jewellery Description: Gemstone: Topaz Carat weight: 40.15 Introducing a magnificent Swiss Blue Topaz gemstone. Its fancy cushion Cut

2026

40.15 Carat Swiss Blue Topaz Cushion Cut Loose Gemstone For Jewellery

Jasper52New York, NY

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Fossils Auctions

Beautiful Malachite Dish, 454 grams

Quartz Carved Cockatoos on Pyrite Cluster, 104 grams

Fine Ancient Meteorite Specimen

Summer Jewelry, Fossils and Minerals Auction

Inspired Auctions

Starts on:

Brea, CA, US

Arietites bucklandi.Cenoceras sp.

A SPRING COUNTRYSIDE SCENE

A BLACK 'DIPLOMAT' ARMCHAIR

2026 Ethereal Auctioneers Spring Auction-1

Ethereal Auctioneers

Starts on:

Taipei City, ???, TW

2 days Left

Exhibited Maya Palenque Rubbing - Temple of the Cross

Caddo Blackware Bipod Bottle with Engraved Arched Form

Peter Max Pop Art Poster - "Love" (1969)

Pre-Columbian | Antiquities | Fine Arts

Artemis Fine Arts

Starts on:

Louisville, CO, US

7 days Left

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