Black Obsidian Pyramid #4 - 2" to 2 1/4" Wide OdooUofM_Single-piece There's an old saying that

There's an old saying that rings true with geodes

kyanite is not always blue

These crushed chips can be used in various ways

These tumbled stones are polished to a smooth finish and have a deep Brown colour with sparkling flecks of copper throughout

This specimen is a magnificent structure that draws admiration from any observer

Black Obsidian Pyramid #4 - 2" to 2 1/4" Wide OdooUofM_Single-piece There's an old saying thatBlack Obsidian Pyramid #4 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