Tim Lewis Fossils

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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

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

Extremely Rare 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

Extremely Rare Purple Tanzanite Pear Cut 7 Ct

California GemstonesOceanside, CA

Colombian Green Emerald 5 ct Trillion Cut: 11 x 11 x 8 mm. a deep, vivid green hue, with cooler, slightly bluish undertones compared to Colombian stones. These stones are renowned for high clarity, excellent polish, and a "strong glow," making

2026

Colombian Green Emerald 5 ct Trillion Cut

California GemstonesOceanside, CA

3.06 Carats Celestial Glow Welo Opal - Natural Ethiopian Gemstone 13.2x9.2x5.1mm, 21XH: This ethereal Welo opal glows with dreamy hues of electric blue, violet, and soft lilac, drifting through a delicate translucent body. The gem's pastel fire evokes the northern lights-fluid, serene, a

2026

3.06 Carats Celestial Glow Welo Opal - Natural Ethiopian Gemstone 13.2x9.2x5.1mm, 21XH

ThousandPlanetHunghom, Kowloon

0.19 Carats Purplish Pink Diamond - Natural Argyle Mine, Australia, 99A: 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

0.19 Carats Purplish Pink Diamond - Natural Argyle Mine, Australia, 99A

ThousandPlanetHunghom, Kowloon

3.75ct Winton Boulder Opal Rough - Multicolored Play-of-Color Specimen, 29XM: This 3.75ct Winton boulder opal rough, measuring 17x14mm, is a striking example of Australia's iconic gemstone, showcasing the raw beauty of nature's artistry. The specimen features a milky white to p

2026

3.75ct Winton Boulder Opal Rough - Multicolored Play-of-Color Specimen, 29XM

ThousandPlanetHunghom, Kowloon

Sky Blue Topaz 5ct: 5 Carat beauty

2026

Sky Blue Topaz 5ct

California GemstonesOceanside, CA

London Blue Topaz Marquis cut 2.13 ct NO RESERVE: 2.13-carat London Blue Topaz with a marquise cut is a medium-to-dark, grayish-blue gemstone, often described as having an "steely" appearance, these stones are enhanced with irradiation to achieve the

2026

London Blue Topaz Marquis cut 2.13 ct NO RESERVE

California GemstonesOceanside, CA

JEWELRY ROCK STONE LAPIDARY SPECIMEN: JEWELRY ROCK STONE LAPIDARY SPECIMEN

2026

JEWELRY ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

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

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

Green River Diplomystus Fossil Panel, Fine Detail: North America, United States, Wyoming, Green River Formation, Eocene Epoch, ca. 53.5 to 48.5 million years ago. A limestone fossil panel preserving a large Diplomystus, carefully prepared to bring for

2026

Green River Diplomystus Fossil Panel, Fine Detail

Artemis Fine ArtsLouisville, CO

Polished Megalodon Shark Fossilized Tooth, 5.4 Inches!: Ancient Seas, Middle Miocene to End of Pliocene Eras, ca. 23 to 2.6 million years ago. A large fossil megalodon tooth, measuring 5.4 inches in length, with a high-gloss polished surface to the obverse

2026

Polished Megalodon Shark Fossilized Tooth, 5.4 Inches!

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

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

3 days Left

Taino Stone Petaloid Celt Axe - Carved Cemi Face

Extremely Rare Caddo Pottery Tri-Lobed Seed Jar

18th C. European Portrait of a Gentleman by Stuart

Pre-Columbian | Antiquities | Fine Arts

Artemis Fine Arts

Starts on:

Louisville, CO, US

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