libutron: Coyamito Agate Pseudomorph | ©Uwe Reier Rancho Coyamito Norte, Mexico (2013). Pseudomorphs in agate are quite rare but do occur in nodular agates from various locations, usually as a calcite or aragonite replacement.
tags: Let me feel your devotion,
from: https://alanuko.tumblr.com/post/96429225885