Further information: Fluorite is the mineral form of calcium fluoride, CaF2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon. The Mohs scale of mineral hardness, based ...

Corning Pyrex® Glass Beakers are designed with uniform wall thickness. Borosilicate 3.3 glass provides the proper balance between mechanical strength and thermal shock resistance. The highest quality control in the industry means you'll get the most precise measurements possible.

Three teeth displayed in an acrylic case. A perfect addition for your fossil collection. Ethically sourced. Please allow for slight variation.

Finally, an enamel pin honoring your favorite dinosaur. Species: Velociraptor mongoliensisTemporal range: Late Cretaceous, 75–71 MaLocation: Mongolia

The African Baobab is one of the largest trees to ever exist. It is recognizable by its unusually massive trunk. It is native to Madagascar, Australia, and Africa where it survives by storing water in its trunk which can grow ...

These green crystals are olivine. If you were to choose a representative mineral for Earth, this would be a good choice since olivine is the most abundant mineral in Earth's mantle. Over 50% of the planet's subsurface mineral makeup is ...

Measures 20” x 28” (or 28” x 20”) Shipped rolled

Measures 20” x 28” (or 28” x 20”) Ships rolled

Measures 20” x 28” (or 28” x 20”) Shipped rolled

Measures 20” x 28” (or 28” x 20”) Printed on Italian archival textured paper, background is very dark navy, almost black. Shipped rolled

Finally, an enamel pin honoring your favorite deep sea fish. The Atlantic footballfish (Himantolophus groenlandicus), also known as the man-gobbler, is an anglerfish found in extreme depths of the ocean. Despite its name, this species lives in all oceans, but ...

This rocky ball is not just a concretion of sandstone and hematite, its also evidence that water once existed on Mars. These concretions commonly form in the Southwest United States and were called Moqui Marbles by the Hopi people who ...

Sometimes plastic is the perfect material. This specimen collection box is an example. When you're out collecting samples of rocks or organic materials, you want something compact, durable, lightweight, and reusable. This collection box is divided into 10 compartments and ...

Since the first atomic bomb detonation, the Trinity Test of 1945, hundreds of nuclear weapons have been detonated in above ground tests. The fallout from these explosions contain a radioactive isotope of the element cesium, called radiocesium or 137Cs. Wind ...

Support your favorite galactic supercluster with this pin. The Laniakea supercluster is easily one of the largest structures known to exist. It contains over 100,000 individual galaxies—one of which is our Milky Way. The name Laniakea is Hawaiian for "immense ...