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 ...
Where is Petrified Wood Found? - (Post)Petrified Wood is found all over the world. Countries with well-known petrified wood deposits include: Argentina, Australia, Belgium, Brazil, Canada, China, The Czech Republic, Germany, Ecuador, Egyp ...
Oregon Rocks and Minerals - (Page)Oregon is known for jaspers, agates, thundereggs, and petrified wood. Oregon's terrain varies from beaches to pine covered mountains to barren desert. Graveyard Point Plume, Priday, Stinkin ...
Kansas Rocks and Minerals - (Page)Sedimentary rocks containing coal, salt, and fossils are under Kansas. The surface is sand and gravel from the erosion of the Rocky Mountains and carried eastward by water. These deposits created th ...
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, in the ...
Minerals and Crystals - (Page)Learn about the hundreds of natural minerals and crystals! What is a mineral specimen? I think the best-kept secret in the rockshop world is mineral specimens. The average person has probably never ...