Trancas geodes with crystals are quite different from their famous cousins, the Las Choyas geodes. Trancas geodes, also known as "Chihuahua geodes" were discovered...
Fossil hunting in Florida for crystallized fossil Mercenaria clams is a popular pasttime with specimens that are prized by fossil and mineral collectors prized...
Exploring the crystal cave in Ohio on Put-In-Bay island and the glacial grooves on Kelleys Island are must-do activities when visiting the area.
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Are zircon and zirconia the same? Despite similar-sounding names, zircon, zirconium, and cubic zirconia refer respectively to a mineral, an element and a synthetic...
How do crystals grow is important when describing minerals. There are six recognized crystal systems: isometric, hexagonal, monoclinic, triclinic, tetragonal and orthorhombic. You may...
Spinel (magnesium aluminum oxide) forms beautiful crystals that are sometimes confused for the brilliant-red gem variety of corundum known as ruby. Unlike rubies, which...
Cerussite is a transparent to translucent secondary mineral. When colorless, high lead content gives it brilliant luster and makes it the heaviest of all...
Pyrite appears in over a half dozen different forms, from simple cubes to complex twinned dodecahedrons, and is found in countless deposits all over...