Ferruginous quartz cluster Hydroxyapophyllite This specimen has been inexpertly

This specimen has been inexpertly repaired from at least five pieces

The rough material is already quite beautiful

Native to Europe

and some pieces have hollow cores

UV reactivity white chalcedony gives a light white fluorescent reaction under 365 nm UV light

Ferruginous quartz cluster Hydroxyapophyllite This specimen has been inexpertlyLocale: Morocco Approx dimensions: 4. 5 x 3 x 3", longest crystal 5. 5 cm Approx weight: 627g Known as red or ferruginous (iron bearing) quartz, this unusual variety of quartz gets its color from iron oxides, typically hematite. The quartz in this specimen initially grew colorless; broken crystals along the edge reveal the quartz crystals have a clear core bordered by a thin top layer of brick red quartz. A change occurred during the growth process