Rocks, Fossils & Minerals
rocks, fossils & minerals — pre-owned
Browse 192,163 rocks, fossils & minerals — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

1 Pound+ Lot of SW UV Fluorescent + Phosphorescent Willemite Franklin New Jersey
These Lots are Specifically Selected for Willemite which Glows Under Shortwave (SW) Ultraviolet (UV) Light & which is also SW Phosphorescent (Continues to Glow after the SW UV Light is Off)?. See Video for Examples of the SW Fluorescence & Phosphorescence!

#11110.natural chinese Suiseki Bonsai textured mountain stone-chinese art stone
Weigh(include base)t:3120 g.
You save $39.90

Agate Geode Mining Diorama Handcrafted Miniature Mine Scene Crystal Cave Decor
Unique handcrafted miniature mining diorama built inside a natural agate geode. Type: Agate Geode Diorama. (1) Agate Geode Mining Diorama Display Piece. Crystal-lined geode interior. Approximate Size.

#5004.natural chinese Suiseki Bonsai WuLing stone-chinese art stone
Its rugged ridges surge like tides, holes revealing hidden grottoes. Set upon an old wooden stand, this craggy stone turns into a living mountain on the desk. One seems to hear soft winds drifting through its crevices, and sense the serene remoteness of the Peach Blossom Land.
You save $34.90

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.

4ozs 1/4lb 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.

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.

1 Lb Natural beautiful petrified wood rough Crystal mineral specimen Rock
Approximately 1 pound. See all photos.

Osmium 5 gram pellets, no engraving
Another notable application of osmium is in chemotherapy. Special osmium complexes exhibit promising properties in combating cancer cells. Osmium has fascinating applications, particularly in catalysis technology.

100 piece Bulk Micromount Thumbnail Mineral Collection
These are mostly raw or rough stones, uncommon species, crystals, etc. Perky boxes are 1.25" in height, so you can get an idea of the size of these minerals. Fluorescent minerals use either a Shortwave, Midwave, or Longwave Ultraviolet light.

25 piece Bulk Wholesale Micromount Thumbnail Mineral Specimens
Perky boxes are 1.25" in height, so you can get an idea of the size of these minerals. Fluorescent minerals use either a Shortwave, Midwave, or Longwave Ultraviolet light. These are NOT black lights.

Two Pounds, 10-15 Whole Dugway Geodes • 1.5" - 2.0" diam.
Inside the agate shell is a hollow cavity filled with small crystals. Geodes occur in deposits all over the world and each one has it’s own unique characteristics, colors and patterns depending on the geology of the area where it is found.

Kingman Specimen AZ Turquoise Natural Nugget LOT Rock Lapidary Crystal Healing
These are from an old collection of mine. These have the most Amazing Teal Blue color, or maybe the colors can be described as a robin's egg blue, they are just stunning. Dyed chalcedony, jasper, and marble is less common, and much less convincing.
You save $2.60

#11151.beautiful chinese Suiseki Bonsai GouZao Stone-hole-chinese art stone
Weight(incldue base):1405 g.
You save $29.80

Lustrous! GALENA Crystal - Broken Hill, New South Wales, Australia
A fantastic cubic Galena crystal with mirror luster and interesting surface textures. A really top notch thumbnail of this material, cool locality too! Mounted in a 1.5” perky box.

Top Quality DIOPTASE Miniature - Democratic Republic of Congo
A stellar miniature sized Dioptase specimen with sharp, robust crystals. Great color! 3.7 x 1.4 x 3.6 cm. Base not included.

25 lbs Gold Basin AZ Assay Pulps - Pre-Pulverized Ore for Refining / Smelting
This is pulverized laboratory material. It is intended for research, reference, and collection purposes only. This material was professionally processed by a top-tier lab to a fine flour consistency for representative gold and silver analysis.

25 Piece Perky Box Thumbnail Mineral Collection
Perky boxes are 1.25" in height, so you can get an idea of the size of these minerals. A random selection of twenty-five (25) random minerals in perky boxes, all with labels. The 25 pieces will all be different from each other, so no repeats!

1 Pound+ Lot of 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.

Original Spinosaurus Tooth - Excellent Quality - With Display Case
Recent estimates of the creature suggest it had length of 46 feet, and weighed 8.2 tons, making the Spinosaurus one of the largest terrestrial carnivores ever to walk the earth. Most modern researchers support the thesis that the Spinosaurus was a semiaquatic dinosaur which ate both land and aquatic animals.

Dragon Septarian Geode Egg
The Dragon Septarian Geode Egg is a unique and collectible item shaped like an egg, making it a standout addition to any crystal collection. Its distinctive septarian pattern adds a touch of mystery and beauty, perfect for those interested in rocks, fossils, and minerals. The California Prop 65 Warning indicates that this geode egg is a specialty piece that collectors will appreciate for its rarity and aesthetic appeal.

Natural Opal Egg Quartz Crystal Polishing Healing 1 Pcs
L Quantity : 1 Pcs. l Style : Crystal. We will help you to solve the problem. l Size :30x20 mm.
You save $0.39

SUPER HIGH QUALITY! WATER CLEAR NATURAL CANARY YELLOW CITRINE CRYSTAL! RARE!
BEAUTIFUL AND HIGHLY VIBRANT NATURAL CANARY YELLOW CITRINE! THIS IS GENUINE CITRINE CRYSTAL THAT HAS BEEN POLISHED INTO ITS POINTED SHAPE. WATER CLEAR TRANSPARANCY, BEAUTIFUL RAINBOWS, AND A VIBRANT "CANARY YELLOW" COLOR THAT ALMOST SEEMS TO GLOW!

8ozs Lot Franklin SH NJ Longwave Fluorescent Rocks Minerals Willemite Sphalerite
Includes Fluorescent Sphalerite, Willemite, Zincite, Fluorite var. Chlorophane, Calcite, Wollastonite & Others. These were Hand-Picked to be Especially Good Under a LED Longwave UV Light, Like a Convoy, Engenious Designs, UV Beast or Other Flashlight-Like LW (354nm) LED Light.

20-60MM Round Glass Crystal Ball Sphere Buyers Select the Size Magic Ball
: Crystal Ball. :20/30/40/50/60 mm. We will help you to solve the problem. We will do as we promised for you.
You save $1.67

Pyrite Crystals Lot of 8
This lot of 8 pyrite crystals is sourced from the United States, making it a unique addition to any crystal collection. Ideal for collectors or those interested in the beauty of natural minerals, these crystals showcase the beauty of the United States landscape and geology.

Glass Holographic Lotus Sphere Orb Ball

Wow Neon Green Diopside Crystal From Merelani Hills, Tanzania (See Description)
Diopside Crystal from Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania Crystal is approximately: 20.18 mm by 14.32 mm by 9.52 mm 6.08 grams in weight This Diopside has been in my personal collection since 2017. It has a nice green color and shape. There is some damage to the bottom, sides and near the top I attempt to circle in my photos. This stone may appear lighter or darker in color in person depending on lighting. Images/Video were taken in a LED light Photo Booth. I am happy to provide additional photos and videos as needed.

#10677. old natural chinese Suiseki Bonsai TaiHu stone--chinese art stone
Weight(include base):3200 g. thickness:12 cm.
You save $39.80

Agatized coral from Tampa.
Agatized coral from Tampa.

#11023.natural chinese Suiseki Bonsai GoBi stone-whale-chinese art stone
The vivid surging waves look so lifelike as if you can hear the roaring tides. With its head held high, the whale conveys a longing for freedom, bringing vitality and charm to the space, making people feel as if standing by the vast sea.
You save $19.80

#5008.old chinese Suiseki Bonsai Ying stone--chinese art stone
Yingshi is produced in Yingde, also known as Yingde stone. It has the characteristics of "wrinkles, thinness, leakage, and transparency" and is one of the four famous garden stones in China. As early as the Song Dynasty, Yingshi was listed as a royal tribute, and ancient books such as "Yunlin Stone Catalogue", "Guangdong New Language", and "Dongtian Qinglu Collection" all emphasized the introduction of Yingshi.
You save $34.80

Golden Healer Quartz Crystals Natural Unpolished/Polished
GOLDEN HEALER. QUARTZ CRYSTALS. NATURAL UNPOLISHED/POLISHED. ITS ADDED TO THE PRICE.

Large Natural Crystal Mineral Specimen 2.67 Lb White Quartz Calcite Display
Mineral identification has not been professionally verified. Features multiple crystal-lined cavities, translucent to white crystal formations, natural inclusions, and attractive display characteristics.

UNIQUE SEAFOAM GREEN WINDOW FLUORITE CRYSTAL SPECIMEN w/ MATRIX! BEAUTIFUL!
BEAUTIFUL AND UNIQUE NATURAL FLUORITE! WONDERFUL "SEAFOAM GREEN" COLOR! SPECIMEN DISCOVERED IN CHINA! WATCH VIDEO FOR ALL DETAILS!

Blue Kyanite Crystals Natural Unpolished
NATURAL UNPOLISHED. I'M HAVING PROBLEMS WITH COMBINING INVOICES.

Blue Opalite Crystals Polished
BLUE OPALITE. I'M HAVING PROBLEMS WITH COMBINING INVOICES.

Mix Tumbled Polished Agates, Quartz, Jasper, Crystals - Bulk Crystals 8 oz Lots
The stones are modified by being tumbled and polished, giving them a smooth and glossy finish. Tumbled stones are known for their calming and grounding properties, making them a popular choice for crystal enthusiasts and collectors alike.
You save $1.99

Huge 2.3lb Topaz Crystal Cluster Apex Mine MO Byrd Collection Silver Mines
Over 1.4 billion years ago, superheated, volatile-rich magmatic fluids pushed through the local Precambrian granite. The Apex Mine was part of the original 1800s mining boom chasing these specific veins.

1of A Kind Amethyst Geode With"Gold Miners Scene" Inside! Stunning
One of a kind very large dark purple Amethyst Geode with a gold mining scene inside. Measures 14" high 8" wide 4"deep and weighs over 13 pounds!! 100% real. I've had this piece almost 40 years. The pix show what look like breaks, but they are not broken pieces glued back together. Brilliant piece, needs a good cleaning