Libyan Desert Glass Small Natural Raw Crystal Specimen rutile A large polished sphere of

A large polished sphere of Banded Onyx Calcite with an incredible mix of earthy coloured Calcites such as greens

that has been reverse 'Intaglio' carved with a pair of mandarin duck lovebirds perched in a bushy tree

This piece also has has a large inclusion of optical Calcite

A carved heart of a dark purple Amethyst cluster with so many points

Weight 700g

Libyan Desert Glass Small Natural Raw Crystal Specimen rutile A large polished sphere ofLibyan Desert Glass is a natural silica glass, a type of tektite, formed about 28 29 million years ago from the intense heat of a powerful, likely extraterrestrial, impact event in the Sahara Desert. This specimen is approx. 2. 5cm x 1. 7cm x 1cm.