Botryoidal Plume Agate!

A botryoidal formation refers to a mineral structure that resembles a cluster of grapes or small, rounded, and knobby protrusions. Here are some details about botryoidal formations:

Characteristics:
Shape: The term "botryoidal" comes from the Greek word "botryoeides," meaning "grape-like." These formations have a surface that looks like a bunch of grapes.
Texture: They typically have a smooth, rounded surface, which can sometimes be polished to enhance their appearance.

Formation:
Process: Botryoidal formations occur when minerals precipitate from solution in a manner that favors the growth of rounded, nodular shapes. This often happens in cavities or vugs where mineral-rich fluids slowly deposit layers over time.
Common Minerals: Minerals that commonly form botryoidal structures include:
Hematite: Often found in botryoidal forms, giving a shiny, metallic luster.
Malachite: Known for its vibrant green color in botryoidal formations.
Goethite: Can exhibit botryoidal textures, often with a brownish to yellowi