Minerals

Aragonite Crystals Aragonite was named in 1797 for Aragon, the Spanish city near the location where the type specimens were found. It comes in many forms, including columns, fibrous or hexagonal crystals. Aragonite is a...

Brazilian Agate Coasters - Set of Six The Science: Agate is a type of chalcedony - a cryptocrystalline variety of silica. Often associated with volcanic activity, it is also found in metamorphic and fossiliferous rock...

Brazilian Agate Geode - Large The Science: Agate is a type of chalcedony - a cryptocrystalline variety of silica. Often associated with volcanic activity, it is also found in metamorphic and fossiliferous rock. Agate forms...

Chalcanthite Chalcanthite is a delicate mineral admired and collected because of its intense blue color. It is a water-soluble sulfate that forms in mine walls in copper deposits. Chalcanthite has several alternative names,...

Copper Sphere Copper is a ductile metal with an excellent thermal and electrical conductivity. It is rather supple in its pure state and, when fresh, has a pinkish or peachy color. It is an essential trace nutrient to all...

Real 22kt Gold Gold is a type of metal that is characterized by its density, softness, and shine. It is also the most malleable and ductile metal known to man. Pure gold features a bright yellow color and luster, and is...

Italian Marble Coaster - Mammoth This striking skeleton, labeled "Fossil Elephant of Siberia" is that of a Mammoth, an 1836 engraving by William H. Lizars from The Naturalist's Library by Sir William Jardine...

This striking piece is made from naturally formed picture sandstone found in Utah, USA, and simply sandblasted into these natural-looking shapes. Reminiscent of cliffs and mesas, these sculptural forms would look superb on a...

Magnets, Large Sold in sets of two pieces. Hematite is a form of iron oxide, which ranges in color from black to brown to red. Hematite is harder than pure iron, but much more brittle. Huge deposits of hematite are found...

Large Natural Brazilian Agate Slices The Science: Agate is a type of chalcedony - a cryptocrystalline variety of silica. Often associated with volcanic activity, it is also found in metamorphic and fossiliferous rock...