- Thumbnail, 3.0 x 3.0 x 2.2 cm
- Antandrokomby pegmatite, Manandona Valley, Ambositra, Madagascar
- Ex. Irv Brown
Nicely nestled in a shallow vug is a lustrous and translucent, yellow-green londonite crystal, measuring 1.8 cm across. Londonite is the uncommon cesium-rich analog of rhodizite. This is a fine, very sharp crystal from the type locality. Ex Irv Brown thumbnail collection.