CURIOSITIES

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Uranium Glass Ball
New
Out Stock

In the past, glass manufacturers added uranium to glass for color. Uranium has since become more strictly regulated, but the old uranium glass objects are still floating around. Because of the uranium content, these marbles glow bright green under ultraviolet light.  Size is around ⅞ – 1” diameter. Some dents and manufacturing imperfections can be expected. Slightly radioactive, but they're harmless. Makes... More info

$5.00
Unbroken Geode
New
-38%
Out Stock

These 2-3" geodes come unbroken so you can smash them open yourself. You'll be the first person to ever see the crystals hidden inside. Most contain quartz crystals, but there's a small chance you could get another type of crystal. It usually only takes one good whack with a hammer or on the sidewalk to break them open. **We recommend... More info

$8.00$5.00
Aerogel
New
-22%
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Aerogel is one of the most impressive materials humans have created...so far. This vial contains 25mL (approximately 1 heaping handful) of silica aerogel particles—the world's lightest known solid material. Commonly called "frozen smoke", it is safe to touch, hydrophobic (repels water), and an outstanding insulator. This is one of our most popular items and essential for any science enthusiast's collection.... More info

$16.00$12.50
Bismuth
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Bismuth is one of the pure chemical elements (Bi, 83) and a metal with many unique properties. It is almost as dense as lead, but without the toxicity. It is also one of the least thermally conductive metals, but has a relatively low melting point (271°C, 520°F). In fact, when melted, bismuth can crystallize upon cooling into the stair-stepped pattern. The... More info

$12.00
Trilobite Fossil
New
-75%
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Trilobites are a class of extinct arthropod marine creatures. This specimen is of the genus Flexicalymene which lived between 425-500 million years ago. Flexicalymene are used as an index fossil in the Ordovician Period. It can be difficult to grasp how long ago these creatures lived. For perspective, dinosaurs lived closer in time to us than these trilobites lived to dinosaurs.... More info

$24.00$6.00
Tiger Sea Urchin Spines
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Each vial includes 3 unique tiger sea urchin spines. Spine length varies from 1.5"-2".More info

$2.00
Martian Regolith Simulants
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Martian Regolith Simulant: This tube of reddish material is engineered regolith to be chemically and mechanically identical to that of planet Mars. Regolith is a mixture of dust, soil, broken rock and other organic materials. NASA uses this material to test their rovers' performance abilities on the planet and to determine how well crops can be grown on Mars. This composition,... More info

$5.00
Fossilized Crow Shark Tooth
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-50%
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A tooth fossil that once belonged to a prehistoric shark. Species: SqualicoraxEra: Cretaceous (100–70 million years ago)Location: Kansas This listing is for one tooth fossil. This image is a representation of what you can expect to receive. You may not receive these exact specimens, but similar. Most teeth are around ¾ – 1¼" wide and serrated.   More info: The crow shark lived... More info

$4.00$2.00
Geisenoceras Fossil
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-50%
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Geisenoceras is an extinct cephalopod, similar to a squid with a long, pointed shell, that lived during the Devonian period around 400 million years ago. Species:  GeisenocerasEra: Devonian (400 million years ago)Location: Morocco   Specimens picture are representative of our currently inventory. You'll likely receive a different—but similar—specimen. We prioritize sending the biggest specimens first. All specimens are around 1—1.5"... More info

$4.00$2.00
NASA Computer Chip
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During the 1970s–80s, NASA used state-of-the-art computers from the company Modular Computer Systems. These "MODCOMP" systems were used in processing and controlling the telemetry of many space projects including the Voyager probes, Skylab, as well as the early Space Shuttle launches. NASA has obviously upgraded their systems since, and so we were able to purchase several used MODCOMP computer boards and carefully... More info

$12.00
Selenite Stick
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Approximately 5" in length Selenite, also known as satin spar, desert rose, or gypsum flower are four crystal structure varieties of the mineral gypsum. These four varieties of gypsum may be grouped together and called selenite. All varieties of gypsum, including selenite and alabaster, are composed of calcium sulfate dihydrate (meaning that it has two molecules of water), with the... More info

$5.00
Lunar Dust Simulant
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This vial contains simulated moon dust. It was engineered to be chemically and mechanically identical to the surface of ancient volcanic plains on the Moon, called maria. The particle size and composition was designed to match that of the samples returned from the lunar mare during the Apollo missions. This sample was produced by the non-profit ExolithLab at the University of Central... More info

$5.00
Tektite
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Australasian tektite specimen. All are about 1–2" long by ½"–¾" wide. Some have smooth concave surfaces formed by air pockets. Color is nearly opaque black. The pics are an average representative of our current inventory. You may not receive these exact specimens, but some like them. We try to prioritize the largest specimens to ship first. You will receive ~one~ tektite specimen  ... More info

$6.00
Raccoon Baculum
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Raccoon baculum (a.k.a. the penis bone). Most are 3 ½–5" in length. These are collected in nature, so some may still have some natural "residue". Please don't put them in your mouth. The pics are just an average representative of our current inventory. You may not receive these exact specimens, but some similar to them. As a rule, we try to prioritize shipping the... More info

$4.00
Rose Rock
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The state rock of Oklahoma, Rose Rocks are also called baryte roses since they are made of baryte. Size: 1–2" Appearance of individual pieces vary. All pieces were created in nature and therefore no 2 are identical.   More info: Rose rock in Oklahoma was formed during the Permian Period, 250 million years ago, when western and central Oklahoma was... More info

$5.00
Mosasaurus Tooth
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This is an authentic fossilized tooth from a mosasaurus—a giant, aquatic carnivorous lizard that lived until about 66 million years ago. Species:  MosasaurusEra: Mesozoic (66 million years ago)Location: Morocco   The item you receive may differ slightly from the one pictured. All teeth are around ¾" long.   More info: Mosasaurus was a type of large, carniverous, aquatic lizard. It was... More info

$14.00
Fossilized Insect in Amber - Random Selection
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An insect trapped in amber around 40 million years ago. This listing is for a random piece of amber containing at least one insect fossil. Amber pieces range from a few millimeters to a centimeter. Why a random selection? These specimens are from the same batch as the individual amber listings. However, we haven't had time to photograph these individually under the microscope and... More info

$13.95
Japanese Star Sand
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Star sand is a biogenic "sand" made of the star-shaped exoskeletons of tiny, single-celled sea creatures belonging to the Foraminifera group. This sample is from Ishigaki Island in Okinawa, Japan. This type of sand can only be found on a few beaches in the world.  -Add this to your collection of curiosities from around the world. -Check them out under... More info

$4.50
Porcupine Quill
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A single quill from a S. African Porcupine. These specimens are collected in nature after being shed by the animal. For this reason, they may still have some "nature" on them and should not be put in anyone's mouth. These are also very pointy! Please handle carefully!   More info: Porcupines have a coat of quills made of coarse hairs covered in... More info

$3.00
Cephalopod Ink
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Almost all cephalopods- the tentacled class of marine mollusks that include the octopus, squid, and cuttlefish- have the ability to eject dark ink from their body as a method of escaping predators. The melanin-based ink is stored in an ink sac until it is released to create a dark cloud in the water, giving the cephalopod time to flee from... More info

$5.00
Redwood Seeds
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Grow you own Coast Redwood—the tallest trees in the world! Each vial contains several seeds, each crammed with all the genetic information to grow into one of the largest organisms on Earth. Be sure to study the proper growing/care instructions for your climate.   More info: Coast Redwoods are species of evergreen trees in the genus Sequoia. They are the tallest... More info

$2.00
Goniatite Fossil
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SIZE RANGE: 1" - 2"  Larger specimens will be prioritized first   MORE INFO: Goniatids, informally goniatites, are ammonoid cephalopods that form the order Goniatitida, derived from the more primitive Agoniatitida during the Middle Devonian some 390 million years ago (around Eifelian stage). Goniatites (goniatitids) survived the Late Devonian extinction to flourish during the Carboniferous and Permian only to become extinct... More info

$8.00
Bristlecone Pine Seeds
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Grow a Bristlecone Pine—the longest living organism in the world! Each vial contains several seeds, each crammed with all the genetic information to grow one of the oldest known organisms on Earth. Be sure to study the proper growing/care instructions for your climate.    More info: The oldest known of these trees is 5,068 years old and its exact location in California is... More info

$2.00
Iron Meteorite (Campo del Cielo)
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These Campo del Cielo meteorites fell to Earth 4,000–5,000 years ago in Argentina. They are estimate to be about 4.5 billion years old and likely formed during early development of our solar system. A great birthday gift for someone uncomfortable about getting older—a reminder that age is relative! Coordinates of impact: 27°38’S 61°42W Composition: 92.9% Fe, 6.7% Ni, 0.4% Co Naturally magnetic. Add some... More info

$12.00
Sand Dollar Fossil
New
Out Stock

WHAT IS IT You’ve probably seen sand dollars used as beach décor, but what you’re holding is a little more extraordinary. This Holeclypus fossil would have buried itself in the low-tide mud of the Jurassic period 145–200 million years ago, sharing the same waters as the plesiosaur and ichthyosaur. Notice the fivefold symmetrical “flower” shape on its skeleton—the “petals” being... More info

$2.00
Flown Piece of Space Shuttle
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An authentic, space-flown piece of one of the most expensive, high-tech, and ambitious science projects of its time. Each piece has orbited the earth hundreds of times, at 22x the speed of sound, traveling millions of miles. These material fragments are glued to an informative card. Pieces are approximately ½" x ¾". Choose from 4 shuttles.  The pieces pictured are an average representation... More info

$17.50
Giant Sequoia Seeds
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Grow a Giant Sequoia—the most massive tree in the world! Each vial contains several seeds, each crammed with all the genetic information to grow one of the largest organisms on Earth. Be sure to study the proper growing/care instructions for your climate.    More info: Species: Sequoiadendron giganteum This species is the largest tree in the world by wood volume, limb thickness,... More info

$2.00
Alligator tooth
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$2.00
Sea Urchin Fossil
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-50%
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Fossilized sea urchin tests. All are about ¾ – 1" in diameter. Species: GoniopygusEra: Cretaceous (70 million years ago) The pictures are average representatives of our current inventory. You may not receive the ones pictured, but specimens like them. We attempt to prioritize the largest specimens to ship first.   More info: Sea urchins appear to have first evolved about 450 million years ago during... More info

$4.00$2.00
Coyote Metacarpal Bone
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Coyotes are highly adaptive animals. Once exclusive to the American West, they now can be found through North and Central America. This bone is a metacarpal from a coyote paw. The skeletal structure of most mammals' phalanges are very similar, honed over hundreds of millions of years of natural development. But recent studies using CRISPR gene editing technology have extended... More info

$1.00
Civil War Bullet
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Musket Ball:  Muskets were smoothbore muzzle-loading weapons, firing round lead balls or buck and ball ammunition, that were also designed to accept a bayonet. This style of musket was retired in the 19th century when rifled muskets (simply called rifles in modern terminology) became common as a result of cartridges breech loading firearms introduced by Casimir Lefaucheux in 1835, the invention of the Minié ball by Claude-Étienne Minié in... More info

$4.00
Water from the Dead Sea
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25mL vial of water straight from the Dead Sea. The Dead Sea is located between the countries of Isreal and Jordan and is 304m (997ft) below sea level, which makes it Earth's lowest point on land. Due to its low elevation, waterflows in from the surrounding area, evaporates, and leaves behind deposits. This has caused it to become one of the world’s... More info

$5.00
Small Lepidolite
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Size range: .5"-2" The pictures are an average representation of what you may receive. Larger pieces will be prioritized first. More info

$2.00
Anthracite
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If you've got to give someone coal, give them premium coal. Anthracite is a form of coal with the highest carbon content, fewest impurities, and highest energy density. Basically the Rolls Royce of coals.More info

$12.00
Best of Matter Box
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Free US shipping Over $100 value Very limited supply Looking for a gift for someone hard to shop for? This box contains a variety of 10 of the absolute best items featured in MATTER, our scientific subscription box. These items can be considered staples for any science aficionado’s collection. With a combined value easily over $100, these are some of... More info

$75.00
Radium Watch Hand
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Radium [Ra, 88] is a radioactive element, so it isn't something you come across everyday. But decades ago, it was painted on watch hands since it naturally glows in the dark. This practice was discontinued in the 1960s, and now these old watch hands make a great radium sample for your element collection.More info

$7.95
Helenite Glass Ball
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Helenite, also known as Mount St. Helens obsidian, emerald obsidianite, and ruby obsidianite, is an artificial glass made from the fused volcanic rock dust from Mount St. Helens and marketed as a gemstone. Helenite was first created accidentally after the eruption of Mount St. Helens in 1980. Workers from the Weyerhaeuser Timber Company were attempting to salvage equipment damaged after the... More info

$4.00
Carnelian
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Size Range: 1"-2" The pictures are an average representation of what you may receive. Larger pieces will be prioritized first.More info

$1.00
Other World Simulant Set
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-23%
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A special bundle for space enthusiasts! This set includes 25mL glass vials of 3 of our most popular simulants: AerogelMartian SimulantLunar Simulant All used by NASA for critical space missions. Includes info card about each material.More info

$22.50$17.50
Moss Opal
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Size Range: 1"-2.5" The pictures are an average representation of what you may receive. Larger specimens will be prioritized first.   More info

$1.00
20-Crystal Mix (by the lb.)
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Our own mixture of 20 crystal minerals. Average size is around 1". Priced per pound (example: qty 2 = 2lb). Bulk discounts are automatically applied when adding multiple pounds to your cart. Our mix contains a random assortment of the following: blue kyanite black kyanite bismuth petrified wood amazonite lepidolite tiger iron carnelian pyrite red jasper septarian obsidian amethyst quartz rose quartz smoky... More info

$15.00
Bobcat Claw
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Quartz
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Size Range: 1"-1.5" The pictures are an average representation of what you may receive. Larger specimens will be prioritized first. More info

$1.00
Carbon Black
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This black powder is carbon black, a form of pure carbon (C) and the reason many rubber objects are black. Tires, shoe soles, and practically all rubber products where tensile and abrasion wear properties are important, are reinforced with carbon black. It is also a common pigment for black ink.  Carbon black is one of the oldest pigments and was... More info

$2.50
Alligator Gar Scales
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WHAT IS IT Alligator gar are fish primarily found in the southern United States and have lived on this planet for over 100 million years. They have a slim number of natural predators and it’s pretty easy to see why. Unlike other fish, their scales are actually made of interlocking bones. They serve as a protective armor to the gar,... More info

$5.00
Fossilized Stingray Teeth
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Stingrays are a group of sea rays, which are cartilaginous fish related to sharks. Many species are endangered. Stingrays are common in coastal tropical and subtropical marine waters throughout the world.  The mouth of the stingray is located on the ventral side of the vertebrate. Stingrays exhibit hyostylic jaw suspension, which means that the mandibular arch is only suspended by an articulation with the hyomandibula.... More info

$5.00
Supercomputer Memory Chip
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Supercomputers were introduced in the 1960s, and for several decades the fastest were made by Seymour Cray, the father of supercomputing, at Control Data Corporation (CDC). One such computer was the Cray/CDC Cyber Model 170 supercomputer, designed by Seymour Cray in the 1970s. We were able to acquire a memory bank that belonged to this computer from a collector and painstakingly extract... More info

$16.00
Fish Fossil
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-56%
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Details to come...More info

$18.00$8.00
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