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Albrechtschraufite

• Formula:
  Ca₄Mg(UO₂)₂(CO₃)₆F₂ · 17 H₂O

• System: Triclinic

• Name:
  For Albrecht Schrauf, Professor of Mineralogy, University of Vienna, in recognition of his contributions to the knowledge of uranyl carbonate minerals at the discovery locality.

• IMA Status: Valid (Approved)
  Approved 1983

• Type Locality:
  Jáchymov (St Joachimsthal), Jáchymov (St Joachimsthal) District, Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

• Dana 8th: 16b.7.11.1
  
  16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
  7 : Miscellaneous

• Hardness (Mohs): 2 - 3

• Density: 2.6 g/cm³ (measured)
  2.67 g/cm³ (calculated)

• Lustre: Vitreous

• Diapheny: Transparent,Translucent

• Colour: Yellow-green

• Streak: White