Albrechtschraufite is a very rare complex hydrated Ca- and Mg-bearing uranyl fluoride carbonate mineral with formula Ca₄Mg(UO₂)₂(CO₃)₆F₂·17H₂O. The molecular weight of Albrechtschraufite is 1,428.98 gm. The color of Albrechtschraufite is yellow-green. The streak of Albrechtschraufite is white. The density of Albrechtschraufite is 2.6 g/cm cubed. The hardness of Albrechtschraufite is 2-3. The luster of Albrechtschraufit is vitreos (glassy). It's named after Albrecht Schrauf (1837-1897), Professor of Mineralogy, University of Vienna. Its type locality is Jáchymov, Jáchymov District, Krušné Hory Mountains, Karlovy Vary Region, Bohemia, Czech Republic.