Trancas geodes with crystals are quite different from their famous cousins, the Las Choyas geodes. Trancas geodes, also known as "Chihuahua geodes" were discovered...
Quartz minerals are usually thought of as large single crystals. Microcrystalline quartz, however, is dense with crystal grains so small that an optical microscope...
Druzy gemstones are cut from natural mineral specimens packed with very small crystal surfaces that reflect light and create a dazzling appearance. The generic...
Milky chalcedony is a lapidary material that has the same characteristics and composition as agate but without the color bands found in agates.
When you...
Blue chalcedony is a very attractive variety of silica. Its pleasing color has made it a most desirable gemstone among lapidaries, jewelry designers, and...