Results for “Rare Rocks”

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Rare Fossilized Saber Tooth Cat Skull, Machairodus: Central Asia, Miocene epoch, ca. 23 to 5 million years ago. An imposing fossil skull of a saber-toothed Machairodus cat defined by its elongated, downward-curving upper canines measuring over 3 inches

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Rare Fossilized Saber Tooth Cat Skull, Machairodus

$19,500

Artemis Fine ArtsLouisville, CO

6.62 Cts GRS Certified Luxurious Colombian Emerald: Rare 6.62 cts GRS Luxurious Colombian Emerald (GRS certified) with excellent luster and beautiful transparency. Suited for a investment collection piece; perfect for a one-of-a-kind creation.

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6.62 Cts GRS Certified Luxurious Colombian Emerald

Est. $37,500-$75,000

$6,000

Nile Jewels Co LtdBangkok, Krung Thep

Rare Ornithomimus Claw Fossil, Theropod Dinosaur: North America, Cretaceous period, ca. 75 million years ago. A fossilized claw from an Ornithomimus dinosaur, a feathered, winged dinosaur said to have resembled an ostrich recovered from the Cretaceou

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Rare Ornithomimus Claw Fossil, Theropod Dinosaur

$2,080

Artemis Fine ArtsLouisville, CO

7.60 ct. Alexandrite - Rare Color Change - BRAZIL: 7.60 ct. Alexandrite - Rare Color Change - BRAZIL Weight - 7.60 ct. Color - Blueish Green to Purplish Red Color Change - Excellent Clarity - VVS Cut - Cushion Origin - BRAZIL</

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7.60 ct. Alexandrite - Rare Color Change - BRAZIL

Est. $375,000-$625,000

$100

Kissing AuctionDelhi, New Delhi

A SLICE OF THE PLANET MARS: A SLICE OF THE PLANET MARS NWA 2737, CHASSIGNITE one of the rarest objects on Earth, a specimen of rock from the planet Mars, coarse-grained olivine, set within a dark grey crystalline matrix, with fi

May 28, 2026

A SLICE OF THE PLANET MARS

Est. £2,500-£3,500

£1,500

Lyon & TurnbullLondon, England

IGI Certified 7.45 ct. Emerald COLOMBIA (RARE QUALITY): IGI Certified 7.45 ct. Emerald - COLOMBIA Fine color and quality on Report Cut - Rectangular Cushion Mixed cut Color - Intense Green Clarity - SI-I Transparency - Transparent Ct.

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IGI Certified 7.45 ct. Emerald COLOMBIA (RARE QUALITY)

Est. $100,000-$150,000

$100

Kissing AuctionDelhi, New Delhi

High-Ice Violet Spring With Color Jadeite Rough Stone: High-Ice Violet Multi-Color Jadeite Rough Stone: Natural jadeite rough stone displaying high-ice violet multi-color texture at the window, transparent water head, rich layers and fine window carving,

Jun 06, 2026

High-Ice Violet Spring With Color Jadeite Rough Stone

Est. $5,000-$10,000

$1,000

Amazing International GroupClaremont, CA

RARE 6.53 ct. Unheated Padparadscha color Tourmaline: RARE 6.53 ct. Natural Unheated Padparadscha color Tourmaline - MOZAMBIQUE Shape - Oval Color - Pinkish Orange Clarity - VS Ct. Weight - 6.53 ct. Dimensions - 12.30 x 10.30 x 7.00 mm

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RARE 6.53 ct. Unheated Padparadscha color Tourmaline

Est. $9,000-$15,000

$100

Kissing AuctionDelhi, New Delhi

High-Ice Full Green Jadeite Rough Stone Attached Certificate: Certified High-Ice Full-Green Jadeite Rough Stone: Natural jadeite rough stone revealing premium high-ice full-green texture at the window, transparent water head, rich color and fine window craft, at

Jun 06, 2026

High-Ice Full Green Jadeite Rough Stone Attached Certificate

Est. $5,000-$10,000

$1,000

Amazing International GroupClaremont, CA

Full Green Jadeite Rough Stone Attached Certificate: Certified Full-Green Jadeite Rough Stone: Natural jadeite rough stone showing rich full-green tone at the window, transparent water head, dense color and fine carving, attached with certificate; Heigh

Jun 06, 2026

Full Green Jadeite Rough Stone Attached Certificate

Est. $5,000-$10,000

$1,000

Amazing International GroupClaremont, CA

Black Shungite Polished Metaphysical Pyramid: Polished Pyramid made of natural, untreated black Shungite stone. Material: Shungite, a rare mineraloid originating from Karelia, Russia. Purpose: Often used for metaphysical purposes, suc

May 23, 2026

Black Shungite Polished Metaphysical Pyramid

Est. CA$50-CA$50,000

CA$50

Kavanagh AuctionsMontreal, Quebec

9.00 Carat San Benito Benitoite Pear Cut VG Certified: A 9.00-carat San Benito Benitoite with a pear cut is an extraordinary and significant gemstone, as gem-quality benitoite over 2 carats is considered extremely rare. Benitoite is the official Californi

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9.00 Carat San Benito Benitoite Pear Cut VG Certified

Est. $65,000-$711,000

$430

California GemstonesSan Diego, CA

Tibetan Meteorite Gemstone Hand Piece: This Tibetan meteorite gemstone-inlaid handle piece features a unique design, hand-carved craftsmanship, rich patina, and perfect condition. Its distinctive design and exquisite workmanship make it a

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Tibetan Meteorite Gemstone Hand Piece

Est. £600-£1,200

£300

Hans AuctionSouth Croydon, Croydon

11.08 Carat Kashmiri Blue Sapphire Pear Cut EGL Certified: Kashmiri Blue Sapphire in a pear cut represents an exceptionally rare and valuable gemstone, likely possessing the "velvety" appearance and intense cornflower blue color for which Kashmir mines are fa

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11.08 Carat Kashmiri Blue Sapphire Pear Cut EGL Certified

Est. $40,000-$50,000

$255

California GemstonesSan Diego, CA

Meteorite Red Mountain God: Meteorite Red Mountain God, dimensions as shown, weight 2753 grams. Freight: 1.International Freight: Foreign shipping charges are determined by destination. 2.Photos, descriptions and valuations have

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Meteorite Red Mountain God

Est. £400-£800

£200

Hans AuctionSouth Croydon, Croydon

Multicolored Jadeite Rough Stone: Multi-Color Jadeite Rough Stone: Natural jadeite rough stone revealing rich multi-color layers at the window, vivid hues, transparent water head and fine window carving, attached with certificate; Hei

Jun 06, 2026

Multicolored Jadeite Rough Stone

Est. $5,000-$10,000

$1,000

Amazing International GroupClaremont, CA

Ice Translucent Full Green Jadeite Rough Stone: Ice Translucent Full Green Jadeite Rough Stone: Natural jadeite rough with finely polished window revealing icy translucent full-green quality, excellent water texture and rich saturated color, attach

Jun 06, 2026

Ice Translucent Full Green Jadeite Rough Stone

Est. $3,000-$6,000

$600

Amazing International GroupClaremont, CA

Crystal Beast Ruby Carbuncle: Crystal Ruishou Bajian, dimensions as shown in the picture. Freight: 1.International Freight: Foreign shipping charges are determined by destination. 2.Photos, descriptions and valuations have been me

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Crystal Beast Ruby Carbuncle

Est. £600-£1,200

£300

Hans AuctionSouth Croydon, Croydon

High-Ice Full Green Jadeite Rough Stone: High-Ice Full-Green Jadeite Rough Stone: Natural jadeite rough stone revealing high-ice full-green texture at the window, transparent water head, rich color and fine window carving, attached with cert

Jun 06, 2026

High-Ice Full Green Jadeite Rough Stone

Est. $2,000-$5,000

$600

Amazing International GroupClaremont, CA

Meteorite Bird: Meteor bird Freight: 1.International Freight: Foreign shipping charges are determined by destination. 2.Photos, descriptions and valuations have been meticulously prepared by fully certified expert ju

3 hrs Left

Est. £400-£800

£200

Hans AuctionSouth Croydon, Croydon

50.90 Kg Unusual Shape High Quality Natural Tiger Eye Standing Tumble – Large Polished Decorative: Impressive 50.90 kg high quality natural Tiger Eye standing tumble featuring an unusual shape, rich golden-brown chatoyancy, and a beautifully polished finish. This massive statement piece is perfect

3 days Left

50.90 Kg Unusual Shape High Quality Natural Tiger Eye Standing Tumble – Large Polished Decorative

Est. $8,000-$12,000

$5,500

Fantasy JewelryMuscat, AE

Full Green Jadeite Rough Stone With Certificate: Certified Full-Green Jadeite Rough Stone: Natural jadeite rough stone presenting full-green luster at the window, transparent water head, strong color saturation and fine window craft, attached with a

Jun 06, 2026

Full Green Jadeite Rough Stone With Certificate

Est. $2,000-$4,000

$500

Amazing International GroupClaremont, CA

Very Large Australian Rare Fresh Water Murray Crayfish (Euastacus armatus): Title: Very Large Australian Rare Fresh Water Murray Crayfish (Euastacus armatus) Description:Murray Crayfish are slow-growing animals and may take up to nine years until they reach their legal length

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Very Large Australian Rare Fresh Water Murray Crayfish (Euastacus armatus)

$980

Chairish AuctionsNew York, NY

6.70 Carat ---- Burmese Red Ruby---- Pear Cut ---- GIR Certified: a significant and rare gemstone, likely originating from the historic Mogok Valley, renowned for producing the world’s finest rubies.

May 26, 2026

6.70 Carat ---- Burmese Red Ruby---- Pear Cut ---- GIR Certified

Est. $35,000-$43,000

$100

California GemstonesSan Diego, CA

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