Quartz can have several phenomena including phantom crystals, rainbows or asterism (star effect). In Part 1 of my All About Macrocrystalline Quartz series we discussed the basics of Macrocrystalline ...
Sagenite Agate - (Page)Sagenite Agate, or Sagenitic Agate, is any agate having acicular or needle-like mineral or crystal growths. These "sagenites" usually intersect in a grid or grill-like pattern, but the hair l ...
Laguna Agate - (Page)Laguna Agate comes from Northern Mexico and is known for its vibrant reds! The Laguna Agate area is in the state of Chihuahua, from the Estacion Ojo Laguna area, about 150 miles south of the U.S.- ...
Agates - (Page) Agates are members of the chalcedony family. Chalcedony (kal SED' nee) is any form of microcrystalline quartz, where the crystals are too small to be seen without high magnification. However, ...