Botryoidal amethyst

Dimensions: 2.9 x 1.7cm
Location: Mamuju area (Manakarra), West Sulawesi Province, Indonesia
The microcrystallization of amethyst in Botryoidal form, typical of this deposit, locally called "Grape Agate", forms very pretty compositions, especially on  small specimens, surprising in their architecture.
  Dimensions without the acrylic base, which is supplied with the mineralogical specimen.
The mineral is not glued to the base (soft putty).