Andesite Rock , Porphyritic Andesite texture provides not only a clue to the past of our planet but also an intriguing tool for tracing the ongoing slow-paced processes that transform its … Read more
A marvelous material called obsidian from volcanic activity is made of volcanic glass. Due to its complex specifications, you can find Gemstone of any type and faceting that may pique the … Read more
If you are fond of admiring volcanic scenery you may have seen with your own eyes the outcrops of pyroclastic material. This geologic architecture that makes up the volcano is a … Read more