HEMATITE psd. carbonate on SMOKY QUARTZ

1 5/8" L x 1" W x 1 1/8" H (miniature +). Lustrous hematite rhombic pseudomorph crystals after unknown carbonate. Hematite is up to 5/8" crystal face. The aggregate is perched on a stubby light smoky quartz crystal. Exceptional quality for this locality. Almost never has lustrous faces.