►Silver Sheen Obsidian
►Size: 4''-4.5'' (100-110mm)
►Weight: 120-140g
►Silver Sheen Obsidian displays a silver-grayiridescent sheen when polished and viewed in strong lightcaused by gas bubbles aligning across the layers during
formation.It is an extrusive rock meaning it formswhen lava comes out of a volcano and solidifies above the Earth's surface.It can form along the edges of alava flow,a volcanic domeor along a dikeIt can also form when lava comes in contact with air or water.