Albrechtschraufite	IMA-A 1983-078
Uranium	16b.7.11.1 (Dana Classification Number)
(No Images)	5/F.04-40 (Strunz ID)

Property	Data	Remarks
Named for:	Albrecht Schrauff, (1837 - 1897), Austrian mineralogist
Alternate     Name(s):	Albrechtschraufit Albrechtschraufita
Mineral Class:	Nitrates, Carbonates and Borates   Uranylcarbonates ([UO2]+2 - [CO3]-2)     Urancalcarite - Albrechtschraufite series
Chemical     Formula:	Ca4Mg(UO2)2(CO3)6F2 · 17H2O
Chemical     Composition:	Calcium: (Ca) 11.22% Carbon: (C) 5.04% Fluorine: (F) 2.66% Hydrogen: (H) 2.40% Magnesium: (Mg) 1.70% Oxygen: (O) 43.67% Uranium: (U) 33.31%	by weight
Molecular     Weight:	1,428.98	daltons (amu)
Specific     Radioactivity:	(All radiation is for a 1 gram, fully aged specimen) Specific Activity Dose Rate Becquerels Curies  milliRems  hour  microSieverts  hour 5.9633 × 1004 1.61 × 10-06 0.88 88.33 Estimated Average Annual Exposure: 360 mRem (3.6 milliSieverts)
Crystalography:	System: Triclinic - Pinacoidal Axial Ratios: a: 1.0116 b: 1 c: 0.8679 Cell Dimensions: a: 13.562 Å b: 13.406 Å c: 11.636 Å Z: 2 a: 115.72° b: 107.66° g: 92.86° V: 1,813.88 Å3 DenCalc: 2.62 H-M Symbol: -1 Space Group: P-1 X-Ray Diffraction:   By Intensity ( I/Io ) (1):   Å (0.):   Å (0.):   Å
Habit:
Cleavage:	[001]   [010]   [100]
Fracture:
Moh's     Hardness:	2 - 3
Density:	2.6	grams/cm3
Color:	Yellow-green
Streak:	White
Luster:	Vitreous
Diaphaniety:
Pleochroism:	(x):   (y:)   (z:)
Ultra Violet     Fluorescence:	Long Wave:   Short Wave:
Magnetism:	Non-magnetic
Occurance:
Associated     Minerals:	Found in close association with Schröckingerite AndersoniteAndersonite, Antimony, Antlerite, Aragonite, Argentopyrite, Arsenic, Arsenopyrite, Arsenuranospathite, Autunite, Barite, Becquerelite, Biotite, Bismuth, Calcite, Cassiterite, Cerussite, 'Chlorite', Chrysocolla, Cinnabar, Cobaltite, Coffinite, Compreignacite, Copper, Cuprite, Cuprosklodowskite, Curienite, Dewindtite, Dolomite, Epidote, Fluorite, Galena, Gold, Graphite, Hematite, 'Hydronium Uranospinite', Johannite, Jáchymovite, Kahlerite, Kamotoite-(Y), Kaolinite, Kasolite, Liebigite, 'Limonite', Manganite, Masuyite, Meta-Autunite, Meta-Uranopilite, 'Meta-Uranospinite', Metalodevite, Metanovácekite, Metaschoepite, Metatorbernite, Metatyuyamunite, Metazellerite, Metazeunerite, Molybdenite, Nickel-Zippeite, Nickeline, Novácekite, 'Olivine', Opal, Parsonsite, Phosphuranylite, Pyrite, Quartz, Rabbittite, Rabejacite, Realgar, Rhodochrosite, Richetite, Rutile, Selenite, 'Serpentine Group', Silver, Sklodowskite, Skutterudite, Smithsonite, Soddyite, Sodium-Zippeite, Stibnite, Strashimirite, Sulphur, Talc, Tetrahedrite, Titanite, Topaz, Torbernite, 'Tourmaline Group', Trögerite, Tyuyamunite, Urancalcarite, Uraninite, Uranocircite, Uranophane, Uranophane-beta, Uranopilite, Uranospathite, Uranosphaerite, Uranospinite, Vandendriesscheite, Vesuvianite, Vochtenite, Voglite, Walpurgite, Weeksite, Widenmannite, 'Wolframite', Wolsendorfite, Wulfenite, Xenotime-(Y), Yingjiangite, Zellerite, Zeunerite, Zippeite, Znucalite Minerals   -   Uranium & Thorium mineral links	These are minerals known to be found with Albrechtschraufite
Localities:	Rare Albrechtschraufite Localities
Notes:	Strongly radioactive a- and b-particles, g-rays. Crystals are probably metamic.