Botryoidal Amethyst | Barras-Gautier-Min.https://static.wixstatic.com/media/daf8af_232501e7452944acab37f2154f9293c9~mv2.jpg/v1/fit/w_500,h_500,q_90/file.jpg Dimension: 2.9 x 1.6cm. Origin: Mamuju area (Manakarra), West Sulawesi Province, Indonesia. Delicate and fine microcrystallization for this Amethyst in Botryoidal form, typical of this new Indonesian deposit. Dimensions without the acrylic base, which is supplied with the mineralogical specimen. The specimen is not glued to its base (flexible mastic).