Double-Terminated Aquamarine – Minas Gerais, Brazil | Ref. 92

Specimen overview

This double-terminated aquamarine from Minas Gerais, Brazil, features an elongated prismatic crystal ranging from pale blue to slightly greenish blue. Its translucency and relatively regular faces make the crystal structure clearly visible, with both ends naturally terminated.

The crystal rests on a light-coloured matrix forming the lower part of the specimen. The video shows the piece from different angles, highlighting its elongated growth, both terminations, and the variations in transparency and colour depending on the viewing angle.

Provenance

This aquamarine comes from Minas Gerais, Brazil, one of the country’s major mineral-producing regions. The specimen comes from an old collection.

Composition

Aquamarine is a variety of beryl with the chemical formula Be₃Al₂Si₆O₁₈. Its hardness ranges from 7.5 to 8 on the Mohs scale.

Dimensions and presentation

Stone dimensions: 65 × 35 × 35 mm
Weight with base: 156 g
Presentation: displayed on an acrylic base