Texture of Porphyry and Obsidian
Characteristics related to grain size of rocks are called as texture. Here you can know more about texture of Porphyry and Obsidian. Texture of Porphyry is Porphyritic whereas that of Obsidian is Glassy. Based on the texture of rocks, they are used for various purposes. Get detailed information about Porphyry vs Obsidian texture, color, appearance and maintenance in the next section.