Améthyste Botryoïdale

Dimensions: 6.5 x 5 cm
 Origin: Mamuju area (Manakarra), West Sulawesi Province, Indonesia
 Botryoidal microcrystalization of amethyst, among the finest pieces I've seen. Diameter of the main crystals: 1.9 and 1.7 cm
 Dimensions without the acrylic base, which is supplied with the mineralogical specimen.
 The sample is not glued to its support (flexible sealant).