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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 Coaster 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 in rock...
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. Agate...
Brazilian Agate Geode 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 in 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...
Brazilian Agate 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 in rock...
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 Nugget Copper is a ductile metal with an excellent thermal and electrical conductivity. Pure copper is a fairly soft metal and has a pinkish or peachy color. It is an essential trace nutrient to all high plant and...
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...
Fluorite Point Fluorite is a colorful and complex mineral. In addition to its beauty, it has many scientific and industrial applications. For example, it is useful during the smelting process, and has even be fashioned into...
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...
Malachite is a beautiful green mineral most often found in fissures and hollows near copper deposits, from which it obtains its vibrant hue. Historically, it was prized because of its intensity of color, and was ground into...
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...
Italian Marble Coaster - Rhinoceros This striking skeleton is that of a rhinoceros, an 1836 engraving by William H. Lizars from The Naturalist's Library by Sir William Jardine (1800-1874), a Scottish naturalist...
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...
Mineral Collection - Large This Large collection contains 50 interesting rock and mineral specimens, and makes an ideal teaching tool or gift for the aspiring geologist!Each Kit contains: Scoria, Corundum,...
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. Agate...
Malachite Egg Malachite is a beautiful green stone most often found in association with copper, which lends it its intense color. Historically, it has long been prized as a decorative stone, and was incorporated into...
Mineral Collection - Deluxe This Large collection contains 100 interesting rock and mineral specimens from the USA, arranged in an Oak frame for study or display. It makes an ideal teaching tool or gift for the aspiring...
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