RARE Allophane Medium Specimen Black Friday Books A large beautiful purple Amethyst

A large beautiful purple Amethyst cluster with an Agate border that has been exquisitely polished around the whole edge and mounted with a cement base

8cm x 2cm)

Base Color: Yellow

Comes with a metal display stand

Ruby is a UV reactive mineral and will glow bright pink when exposed to a UV light

RARE Allophane Medium Specimen Black Friday Books A large beautiful purple AmethystRare Allophane is made up of aluminum, silica, and water and is described as a clay mineral. It is created when other aluminosilicates, like feldspar, break down due to weathering or hydrothermal alteration and can be many colours like this bright blue hue. Sourced from Guizhou, China. Specimen measures approx. 5. 6cm x 4cm x 1. 5cm. Pictured in a 10cm x 10cm x 6cm acrylic display box. A rare and unique specimen for any fine mineral collector. Please