- Goethite Ps. Gypsum
- Thumbnail, 2.4 x 1.9 x 1.2 cm
- La Negra, Chihuahua, Mexico
Delicate and very attractive pseudomorph in which the Gypsum is perfectly replaced by the Goethite. Each sharp blade shimmers with a green or red iridescence that gives this excellent thumb a beauty all its own.