Black Obsidian Pyramid #7 - 2 3/4" to 3" Wide OdooUofM_1-lb-bag and over time

and over time

ranging from light to dark shades of purple-violet tones

making them ideal for various applications

For more varieties of Amethyst crystals

Amethyst Cluster Lamp Lamp Amethyst Cluster on Wood Base

Black Obsidian Pyramid #7 - 2 3/4" to 3" Wide OdooUofM_1-lb-bag and over timeBlack Obsidian Pyramid #7 Black Obsidian is a glassy lustrous rock that is formed from volcanic glass. This is present where lava enters the water, as well as around the edges of a volcanic dome or lava flow. This stone color is a completely solid black with few scratch mark dings from being mined. Because of light reflecting inclusions within the stone, obsidian may have a metallic sheen. Based on the color and sheen of this stone it has variations