Ettringite (Floater!)
Miniature, 3.4 x 2.4 x 1.1 cm
N'Chwaning II Mine, Kalahari Manganese Fields, South Africa

This crystal is a doubly-terminated floater, complete all around, and obviously LEMON yellow, the top color. It is sharply hexagonal and just plain striking. From finds in the early 1980s. I cnanot emphasize how impressive this piece is. AND HOW PRISTINE...