![58.2 Stilpnomelane-garnet metachert. NE Diablo Range, California. Brownish-black sheets of stilpnomelane are visible, but microscopic garnets within the recrystallized quartz of the chert make the metachert pink in color. Some patches of gray quartz without garnet are visible. [Scale shows cm divisions.]](../58.2.JPG)
58.2 Stilpnomelane-garnet metachert. NE Diablo Range, California. Brownish-black sheets of stilpnomelane are visible, but microscopic garnets within the recrystallized quartz of the chert make the metachert pink in color. Some patches of gray quartz without garnet are visible. [Scale shows cm divisions.]