Fossils

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Purple Tanzanite Pear Cut 7 Ct: a large, rare, and valuable gemstone, prized for its vivid violet-blue or deep purple hue, often with a unique clarity, no visible flaws and pleochroism.

2026

Purple Tanzanite Pear Cut 7 Ct

California GemstonesOceanside, CA

Natural London Blue Topaz 2.13 ct Marquise cut: 12.2 x 6.3 x 3.9mm a deep blue color,featuring slight gray undertones. Known for excellent durability and a "steely" appearance, this gemstone is "eye-clean" with superior brilliance,

2026

Natural London Blue Topaz 2.13 ct Marquise cut

California GemstonesOceanside, CA

3.83 Carats Blush Flame Welo Opal - Natural Ethiopian Gemstone 13x9.3x6.7mm, 37XH: Glowing with soft pink, coral, and lime flashes, this Welo opal captures a dreamy interplay of light and warmth beneath a smooth, milky surface. Its pastel fire radiates gently throughout the stone, c

2026

3.83 Carats Blush Flame Welo Opal - Natural Ethiopian Gemstone 13x9.3x6.7mm, 37XH

ThousandPlanetHunghom, Kowloon

2ct round cut Pair of Sky Blue Tanzanite untreated.: A 2-carat pair of untreated "sky blue" tanzanite refers to a matched set of natural, unheated gemstones, displaying a natural light-blue or silvery-blue hue. Due to the high rarity of natural, unheate

2026

2ct round cut Pair of Sky Blue Tanzanite untreated.

California GemstonesOceanside, CA

Natural Amethyst 2.73ct Round Cut: Features a classic round cut, This stone is violet-purple in color sourced from Brazil and exhibit high clarity (VVS).

2026

Natural Amethyst 2.73ct Round Cut

California GemstonesOceanside, CA

Deep Purple Amethyst 6.29 ct Oval Cut real sparkler No Reserve: a substantial, vibrant, and, teardrop-shaped gemstone, typically sourced from Brazil or Africa. It features a rich violet-purple color, often with eye-clean or VVS-VS clarity, and is commonly used for

2026

Deep Purple Amethyst 6.29 ct Oval Cut real sparkler No Reserve

California GemstonesOceanside, CA

Sky Blue Topaz 3.51ct: a natural, light-blue,, or bright-blue,, transparent gemstone, typically sourced from Brazil, with high clarity (often VVS/IF) and a Mohs hardness of 8

2026

Sky Blue Topaz 3.51ct

California GemstonesOceanside, CA

Natural Aquamarine 2..33 ct Trillion Cut from Brazil: Unique and versatile. The trillion cut enhances the natural brilliance of the aquamarines, offering a modern and elegant aesthetic that captures light beautifully With a exceptional clarity a crucial

2026

Natural Aquamarine 2..33 ct Trillion Cut from Brazil

California GemstonesOceanside, CA

2 Ct Natural White Diamond Round Cut VVS1 D Grade from South Africa: A top-tier gemstone. It features maximum colorlessness (D-grade). Minute, nearly invisible inclusions (VVS1). This stone has excellent cut, symmetry, and polish, offering superior brilliance.....Pleas

2026

2 Ct Natural White Diamond Round Cut VVS1 D Grade from South Africa

California GemstonesOceanside, CA

0.48 Carats Purplish Pink Diamond - Natural Argyle Mine, Australia, 83A, 83A: This singular purplish pink diamond from the Argyle mine is a rare and captivating gem, showcasing the distinctive, velvety hue that has made Australian pink diamonds among the most coveted in the wor

2026

0.48 Carats Purplish Pink Diamond - Natural Argyle Mine, Australia, 83A, 83A

ThousandPlanetHunghom, Kowloon

4 NATURAL DARK GREEN ZAMBIAN EMERALDS OVAL CUT 3.5 tcw: Deep, rich green color with slight bluish undertones and high clarity. Sourced from Zambia, these stones are renowned for superior luster

2026

4 NATURAL DARK GREEN ZAMBIAN EMERALDS OVAL CUT 3.5 tcw

California GemstonesOceanside, CA

Purple Blue Tanzanite 11 ct: captivating blend of violet and blue hues, showcasing strong color saturation, often displaying deep, twilight-like tones, exceptional clarity (Flawless to VVS), excellent cut, and exhibiting unique c

2026

Purple Blue Tanzanite 11 ct

California GemstonesOceanside, CA

Natural Neon Blue Paraiba Tourmaline 3 ct Emerald cut from Brazil: 10.51 x 7.69 x 5.33mm an exceptionally rare, investment-grade gemstone known for its intense "neon" blue-green color caused by copper. Originating from the state of Para?ba, these gems are highly cove

2026

Natural Neon Blue Paraiba Tourmaline 3 ct Emerald cut from Brazil

California GemstonesOceanside, CA

Natural Red Garnet Pear Cut 2ct from Brazil: This is a natural 2-carat red garnet from Brazil, cut into a pear shape, It is known for a rich, deep red color and excellent clarity. These stones are frequently sourced from Minas Gerais, Brazil, an

2026

Natural Red Garnet Pear Cut 2ct from Brazil

California GemstonesOceanside, CA

5 Pieces Irradiated Blue Diamond Parcel - Round Brilliant Cut, 2.4mm, 258A: This striking parcel of five loose irradiated blue diamond gems captivates with a vivid, cool blue hue that evokes the intensity of a deep ocean and the clarity of a winter sky. Each stone is cut in a

2026

5 Pieces Irradiated Blue Diamond Parcel - Round Brilliant Cut, 2.4mm, 258A

ThousandPlanetHunghom, Kowloon

7.10 Carats Aurora Mist Welo Opal - Natural Ethiopian Gemstone 16.6x11x8.1mm, 53XH: This exceptional Welo opal glows with radiant hues of icy blue, mint green, and warm peach, all shimmering beneath a translucent, cloud-like body. The colors appear to drift like mist through the ston

2026

7.10 Carats Aurora Mist Welo Opal - Natural Ethiopian Gemstone 16.6x11x8.1mm, 53XH

ThousandPlanetHunghom, Kowloon

3.09ct Boulder Opal Cabochon - Dynamic Matrix & Play-of-Color Specimen, 55XM: This 3.09ct boulder opal cabochon, measuring 11x8mm, is a striking example of Australia's iconic gemstone, showcasing the raw beauty of nature's artistry. The triangular cabochon is polished to a smoo

2026

3.09ct Boulder Opal Cabochon - Dynamic Matrix & Play-of-Color Specimen, 55XM

ThousandPlanetHunghom, Kowloon

Purple Tanzanite Pear Cut 7.3 ct: A high-carat, deeply saturated, and often certified loose gemstone prized for its vivid color and unique pear shape. While top-quality tanzanite is often blue, vivid purple is considered rare.

2026

Purple Tanzanite Pear Cut 7.3 ct

California GemstonesOceanside, CA

Purple Amethyst 9.5 Ct Kite Cut from Brazil: cut into a unique, geometric kite shape, offers a striking, modern look with a large table, Sourced from Brazil, this high-clarity (loupe clean) stone features a deep violet color and excellent cut, m

2026

Purple Amethyst 9.5 Ct Kite Cut from Brazil

California GemstonesOceanside, CA

Light Blue Tourmaline transparent 10.6ct Oval cut from Afganastan: light blue tourmaline is a significant, collector-sized gem, with value heavily dictated by color saturation and clarity. These gemstones are prized for their high clarity and the ability to maintain

2026

Light Blue Tourmaline transparent 10.6ct Oval cut from Afganastan

California GemstonesOceanside, CA

1.66 ct Octogon Cut Natural Purple Amethyst: natural purple amethyst,sourced from Brazil, is an eye-clean to VVS-clarity gemstone featuring an elegant, precision-cut octagon shape . This violet-purple variety of quartz exhibits high-quality, sat

2026

1.66 ct Octogon Cut Natural Purple Amethyst

California GemstonesOceanside, CA

TURQUENITE CROSS PENDANT ROCK STONE LAPIDARY SPECIMEN: TURQUENITE CROSS PENDANT ROCK STONE LAPIDARY SPECIMEN

2026

TURQUENITE CROSS PENDANT ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

JEWELRY ROCK STONE LAPIDARY SPECIMEN: JEWELRY ROCK STONE LAPIDARY SPECIMEN

2026

JEWELRY ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

Ordovician Trilobite Fossils Life Assemblage in Matrix: North Africa, Morocco, Ordovician period, ca. 480 to 471 million years ago. A stone matrix containing a "life assemblage" because the stone matrix contains a once living community of creatures that di

2026

Ordovician Trilobite Fossils Life Assemblage in Matrix

Artemis Fine ArtsLouisville, CO

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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

AMETHYST ROCK STONE LAPIDARY SPECIMEN

MIXED STONE TREE ROCK STONE LAPIDARY SPECIMEN

COIN AND PLANK NECKLACE

ROUGH ROCKS & RARITIES Bulk Lots Jewelry

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

13 hrs 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

4 days Left

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