radially clustered crystals (spherulites) of the mineral cristobalite in the black glass produce a blotchy or snowflake pattern (snowflake obsidian)

Dimensions: 90x65x59 mm / 3

Dimensions: 59x40x15 mm / 2

Origin: Mined in Basher Mines

Name: Calcite on Quartz

Vesuvianite Crystal | 11.5 Gr | Famous Mineral Idocrase | Imilchil, Morocco | SO24 Libyan Desert Glass radially clustered crystals (spherulites) ofThis 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