With the pervasiveness of smoke, volcanic ash gets everywhere, and is comprised of tiny jagged pieces of glass (pulverized lava), laced with sulphur and cyanide. (theprofessionalhobo.com)
... unless you cut it with jagged pieces of saltine cracker. (e2bakesbrooklyn.com)
Their small bodies are covered in jagged pieces of mirror, almost asking that they not be handled, but admired and observed with caution. (aqnb.com)