Ignenous Rock (Textures)
•1 Aphanitic (Ryolite)
•fine grained texture
•2 Phaneritic (Granite)
•coarse grained texture
•3 Porphyritic (Porphyry)
•large crystals embedded in
smaller crystal masses
•4 Glassy (Obsidian)
•Natural glassy texture (Rapid
cooling)