Dims: 3.7 x 2.5 x 1.7" (9.4 x 6.4 x 4.3 cm)
Wt: 1 lb., 2.3 oz. (518 g)
Pasto Bueno Mine, Ancash Department, Peru
Dozens if partly intergrown Huebnerite needles are trapped in the quartz host rock of this specimen. These needles reach lengths of at least 3" (7.6 cm) and are in fair condition, as most appear to have either broken or missing terminations. Where intact, however, they have reasonably good monoclinic form, with well-defined edges and striated but generally clean faces that possess a bright pearly luster. All are essentially colored black and are opaque, though they do show some definite deep-red highlights. The quartz matrix in which they rest is basically massive, milky-white, and translucent.