caused by internal fractures in the mineral that reflect light back and forth

Dimensions: 59x40x15 mm / 2

This Achondrite Diogenite classified meteorite was observed falling in 1999 in Gnagna

It is a transparent to translucent mineral

Name: Calcite on Quartz

Vesuvianite Crystal | 11.5 Gr | Famous Mineral Idocrase | Imilchil, Morocco | SO24 Libyan Desert Glass caused by internal fractures inThis specimen of Vesuvianite was collected at Imilchil in the Er Rachidia Province of Morocco. A great addition to any collection! It was first discovered on Mount Vesuvius in Italy in the 18th century, hence its name. Vesuvianite typically occurs as a green, brown, yellow, or blue green crystal, and is often found in metamorphic and igneous rocks. The alternate name, Idocrase, is from the Greek eidos form, and krasis mixture, because Vesuvianite