RM2J247M6–Chromium Petrified Tree Wood (Conifer-Araucarioxylon Arizonicum), The wood has been replaced with mineralized chromium, giving it its green color. It
RM2J247M4–Chromium Petrified Tree Wood (Conifer-Araucarioxylon Arizonicum), The wood has been replaced with mineralized chromium, giving it its green color. It
RM2J247PF–Garnierite (Nickel Ore)
RM2J247RB–Herkimer Diamonds in Matrix, Herkimer, NY
RM2J247RN–Kimberlite, igneous, diamond-bearing ultramafic rock specimen, Kimberly Mine, South Africa