Axinite.
William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 56
TIFF (full resolution)
2015×2400, 390.7 KiB
Large GIF
859×1024, 49.1 KiB
Medium GIF
537×640, 25.8 KiB
Small GIF
268×320, 10.4 KiB