Obsidian Photoshop Action Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. Obsidian is produced when felsic lava extruded from a volcano cools rapidly with minimal crystal growth Features: 1 ATN File. (action). 1 ABR file (brush). 1 PAT file (texture). 1 GRD file (gradients). 1 Help Files. Non-destructive action. Well Arranged Layers. Layers … Read more