MD76
Thaumasite
Thumbnail, 1.4 x 0.7 x 0.5 cm
N
Ex. Marilyn Dodge
SOLD

Outstanding pair of doubly-terminated hexagonal crystals that are lustrous and gemmy. Thaumasite is a very rare silicate/carbonate/sulfate mineral, and to find a specimen this good marks a notable occasion. The color in real life is a straw-yellow hue, quite clear in person. The gemminess and aesthetics make this a striking thumbnail