Rough: Obsidian, black lace

Description

Black lace obsidian from Oregon is in rough sizes from approximately one half to three pounds or so each. (Stock 541) The swirling bands of black to smoky black make interesting patterns for cabochons, lampshade panels, and more. Small areas may contain a little mahogany color with iron impurities for added contrast. A slab of black lace obsidian is pictured.  Price listed is for one pound.