16 results for septarian

Septarian Nodules are actually sedimentary rock concretions. They actually look like giant mud balls, but when you break them open they have very pretty pockets of yellow. Some even have open pock ...

Lots of beautiful rocks and minerals come from the state of Utah. Utah covers 54.4 million acres, of which 35 million are owned by the federal government. There are five National Parks and six Nat ...

Madagascar produces an amazing array of precious gemstones. In addition they have lots of semiprecious stones such as agates and jaspers, as well as fossils, and minerals.  Madagascar is the ...