Libyan Desert Glass Small Natural Raw Crystal Specimen Black Friday Tumbles sometimes twinned or clustered

sometimes twinned or clustered

showing a lustrous shine reflection of all colours

Rare blue Cavansite crystal growth on Calcite and Zeolite matrix crystal and rock

Situated in limestone over 400 million years old from the Devonian Period

such as a double terminated crystal point or a crystal wand

Libyan Desert Glass Small Natural Raw Crystal Specimen Black Friday Tumbles sometimes twinned or clusteredLibyan 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. 3. 7cm x 2. 1cm x 1. 4cm.