Dims: 2.31x1.94x1.04" (5.86x4.93x2.65cm)
Wt: 3.69oz (104.5g)
Tongren, Guizhou Province, China
Two nice cinnabar crystals (plus a half-dozen fragments) are nested in a base of white dolomite crystals. The cinnabar is very red, transparent, and displays a typical metallic luster. I am guessing about the transparency - the surface texture is sufficiently pitted (and with enough of a metallic hue) to hide the interior, but light seems to shine through the crystals well enough that I suspect they are internally transparent. At the very least, they are highly translucent. There are also some odly shaped highly transparent quartz crystals, and close inspection of the dolomite shows that much of it is coated with a fine druze of transparent crystals, almost certainly quartz crystals which are on their sides.