Amethyst cut-base with agate banding — Brazil, 257 g

Description

A rich purple amethyst specimen from Brazil, presented on a cut base with visible agate banding along the edges. The piece shows clean terminations and a compact, upright form at H 8 × W 3.5 × D 5 cm, weighing 257 g. The cut base gives a stable foot while preserving crystal faces and the agate banding frames the amethyst colour at the margins. is noted and the overall shape is tidy and easy to handle.

Mineral context

Amethyst is the purple variety of quartz (SiO2). Quartz commonly forms crystals in cavities, veins and geodes.