David K. Joyce

Leucophanite, Birnessite

1.5x1.6x1.2 cm
Mont Saint-Hilaire


Leucophanite, BirnessiteLeucophanite, BirnessiteLeucophanite, Birnessite

Item number: 27562

A number of sharp, green, pseudo-cubic leucophanite crystals are present on this pseudomorph of birnessite after serandite. The birnessite crystal may, in fact, be serandite just partially altered to birnessite. Hard to say! Interesting, nice specimen of rare minerals no matter what!