Rocks, Fossils & Minerals
rocks, fossils & minerals — pre-owned
Browse 204,326 rocks, fossils & minerals — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Moqui Marbles • Iron Concretions • One Pair, About 1.50" diameter
These Moqui marbles, also known as sandstone iron concretions in geology textbooks, are from an estate collection we recently acquired. They were also discovered in York crater on Mars by the Opportunity rover.

Pterosaur Tooth - With display Case
Step into the world of ancient skies with this extraordinary relic—the Pterosaur Tooth. These aerial vertebrates possessed a unique adaptation—the ability to fly. They had elongated jaws filled with sharp teeth and were believed to be skilled hunters of fish, small vertebrates, and even scavengers.

#1174. beautiful chinese Suiseki Bonsai water TaiHu stone--chinese art stone
Weight(include base):955 g. thickness:6 cm.
You save $26.80

#10331.natural chinese Suiseki Bonsai mountain GoBi stone--chinese art stone
Rosewood base.
You save $19.80

Pyrite with Tetrahedrite Crystal Cluster, Huanzala Mine, Peru #6
A layer of semi-crystalline pyrite sits on a rough, massive pyrite matrix. This area shows very nice rainbow iridescence around its edge. On top of the pyrite, are several tetrahedrite crystals, crusted with tiny, secondary crystal growth.

Pyrite with Tetrahedrite Crystal Cluster, Huanzala Mine, Peru #7

Facetron Acculign Transfer Unit USED WORKING CONDITION!
Here is an original used workingFacetron Acculign Transfer Unit by Jarvi the original makers of Facetron! This unit was used by a person who was a production cutter of Montana Sapphires. ThisFacetron Acculign Transfer Unit is inVERY NICE condition.

Bornite Covellite ? Mineral Specimens Crystal Minerals
I am unsure exactly what these heavy iron specimens found in Maine are. Purchase is for both. Purchase at your own will/observation. No returns as this is going to help with sons schooling!

Tumbled Polished Stone Assortment Lot 1 Pound
I'm a big fan. hopefully you enjoy. Finally got back into rock tumbling with my dad. Have always been fond of it ever since I was a little tyke many moons ago.

HSCTI RAD 5 Orgone Generator & Manifestation device
Top of the Line Orgone Radionics™ Device. is a donut-shaped combination of five heavy duty Chi generators®, specifically designed for the Manifestation Program™ for PC and it works well, of course, with the Supermanifestation Program.

Blue Crab Mount Shells Crafts, Dried Natural Beach Taxidermy Specimen
You will receive onlyOne Crab Empty Shell. They are no paint and dried.

8ozs 1/2lb Lot Franklin New Jersey Fluorescent Rocks Minerals Willemite Calcite
Franklin, Franklin Mining District, Sussex County, New Jersey, USA. With Other Non-Fluorescent Minerals Such as Franklinite (Type Locality), Andradite Garnet, Hendricksite (Type Locality), Zincite, etc.
You save $0.75

SLEEPING BEAUTY TURQUOISE NUGGETS ROUGH - 1/4 POUND LOT - VERY HIGH QUALITY
This Turquoise was mined back in the 1970's and is very hard to find. The quarter in the picture gives you a good idea of the size pieces you willreceive.

#10998.natural chinese Suiseki Bonsai mountain GoBi stone--chinese art stone
Rosewood base.
You save $19.80

#10998.natural chinese Suiseki Bonsai mountain GoBi stone--chinese art stone
Rosewood base. The elegant stones on the table are gathered in the ancient wooden pedestal.
You save $19.80

FRAMED TRICERATOPS or TOROSAURUS Fossil Dinosaur Tooth Lot! One per Order!
Its most striking features were the large frill and three large horns, one on its snout and two on its brow, that adorned its head. The brow horns could reach up to four feet in length and the frill three feet across!

Bismuth Crystal Stone Extra Large Specimen for Collecting,Wire Wrapping,Wicca
Top Quality Beautiful Color 99.99% Pure Bismuth. People that recognize our Bismuth pictures will know how good it is. Item model number : 1945.

Pyrite with Tetrahedrite Crystal Cluster, Huanzala Mine, Peru #5
The piece also shows off a skin of iridescent blue bornite.

Labeled Sand Samples from Around the World Cruises (Double Bagged)
We have done 56 cruises over the past 25 years and stopped at several countries and beaches on each cruise.

Large Pink Inclusion Quartz Freeform - Lodolite Quartz - Garden Quartz - Rainbow
This is a gorgeous inclusion quartz freeform that features pinkish/mauve colored minerals inside the crystal. Even the bottom is stunning! There are multiple rainbows, with one being shown in the video.

10 Rare Natural Red Strawberry Top Shells Clanculus puniceus 1/2"-3/4"
Bright, Gorgeous, shells that are hard to find. You will receive 10 shells similar to these shown. Check back often as new shells are being added daily. Beautiful natural seashells perfect for crafts, beach decor, aquariums.

1lb+ SW UV Yellow Wollastonite Sterling Hill Mine by Franklin NJ Rocks Minerals
Fluorescent Wollastonite is A Soft Yellow Under Shortwave (254nm) Ultraviolet Light! These Lots Will Only Glow Under Shortwave (SW) Ultraviolet (UV) Light! They Will NOT Work with Longwave (365nm) or Blacklight (395nm) UV Lights!

Fluorite All seeing Eye stone Wooden Hand Bowl Pyrate Gem Geode cannon ball LOT
Please forgive me if these are not what they are called. I been collecting stones for a while because I liked the look of them but have no idea what their names are. haha message me w/ any questions or more pics. I know the little cannon ball is not a stone but I found it at an estate sale and had to have it. Together these all weigh 3 pounds G-5

8.19ct Natural Benitoite Gemstone Cabochon California Triangle Collector mineral
Natural Benitoite in Matrix Cabochon – California, Untreated – 8.19 ct. Very fine polish job. A unique way to enjoy one of the greatest rarities of the gem world. Video shows other two others I have sold.

100 Pearl Abalone Shells 1 1/2" To 2" Haliotis Asinina Donkey's Ear Seashells

2lbs SW UV Wollastonite Calcite Sterling Hill Mine by Franklin NJ Rocks Minerals
These Lots Will Only Glow Under Shortwave (SW) Ultraviolet (UV) Light! They Will NOT Work with Longwave (365nm) or Blacklight (395nm) UV Lights!

Natural Dried Seahorse Specimen Hippocampus Erectus Skeleton X 6.....2 Are Mini
4 Adult and 2 Baby dried Skeletons...Please ask any questions you may have prior to bidding and use pictures as part of the description...No returns will be accepted...

Bulk Assortment of seashells from the sunshine State Florida coast Line 4 pounds
This product is a 5 pound lot of assorted seashells collected from the Florida coast line. It offers a bulk assortment of various shells, making it a perfect option for collectors or individuals looking to add a unique touch to their home decor. The shells in this lot are likely to vary in size, shape, and color, providing a diverse selection for enthusiasts of collecting seashells.

#10376.natural chinese Suiseki Bonsai landscape GoBi stone--chinese art stone
Rosewood base. The elegant stones on the table are gathered in the ancient wooden pedestal.
You save $19.80

#1182.beautiful chinese Suiseki Bonsai GouZao Stone--chinese art stone
Weight(incldue base):2835 g.
You save $29.80

#11071.natural chinese Suiseki Bonsai JiuLongBi-mountain-chinese art stone
This exquisite Jiulongbi Stone is a natural masterpiece that condenses the grandeur of mountains into a compact form. Its robust, earthy body is marked by intricate grooves and ancient veins, where dark ink-like striations interweave with light brown stone, evoking the flow of mountain ridges and misty clouds.
You save $26.80

#10377.natural chinese Suiseki Bonsai WuLing stone--chinese art stone
High(include base):15 cm.
You save $15.80

About 20 pounds of mixed types, rough Obsidian. For Knapping, slabbing, cabbing
For Knapping, slabbing, cabbing. Do not buy multiple quantities. It thinks they can all be put into one box, and that's not how it works at all.

Natural Clear quartz Obelisk Reiki Crystal Wand Point Tower + free Stand
This Natural Clear Quartz Obelisk Reiki Crystal Wand Point Tower is a beautiful and powerful healing crystal. Handmade polished and featuring a unique obelisk shape, this Reiki gemstone precious wand is perfect for energy healing and meditation. The clear quartz material and intricate design make it an ideal choice for those seeking a special birthday or festival gift. Additionally, the free shipping and included stand add value to this exquisite crystal piece from China.

Red Zone Matric Nautilus Ammonite Ozan Fm Fossil N. TX
See the photos as these are the exact items that you will receive Perfect gift for an aspiring Paleontologist, Jurassic Park fan or even homeschooling resource! These are from the Cretaceous Period - The Cretaceous is defined as the period between 145.5 and 65.5 million years ago,* the last period of the Mesozoic Era, following the Jurassic North Texas Ozan Formation Creta

4.5 lb Black Chalcedony Druzy Sphere 2058g Large Quartz Crystal Ball w/ Stand
Item is in used condition. Item is sold AS-IS. As shown in the photos. Thanks for checking out our listings! Happy shopping! - A little family with big dreams

Mosasaur Tooth - With Beautiful Display Case
The tooth you will receive will be of similar size and quality as the ones shown in the pictures. The display case included is openable so that you may easily handle and closely observe the artifact.

50mm Natural Dominican Larimar Polished Sphere w/Matrix Wooden Stand Included
This 50mm (2") Dominican larimar sphere was purchased in the late 90's/early 2000's by my dad and shelf kept ever since. It includes matrix. Please see photos and video to see condition and quality of stone. The wood stand in the photos is also included.

#11063.natural chinese Suiseki Bonsai LvLiang stone--chinese art stone
LvLiang mountain,JinagSu of China.
You save $16.80

XL Vivid Blue Smithsonite - size is RARE!
This listing is for an absolutely incredible XL vivid ocean blue chunk of Smithsonite! It's hard to believe something this color exists and must be seen in person to appreciate it fully! This sensational piece has been in my collection for about three years, and is one of the pieces I always get the most comments about. Attached are pictures of each angle, along with a video to show its size. I'll be very happy to provide any more pictures you'd like. Thank you for taking the time to consider this dynamic piece!