IMA mineral species

Albrechtschraufite

MgCa₄F₂[UO₂(CO₃)₃]₂·17-18H₂O

Uranyl carbonate mineral.

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Properties

Chemical formulaMgCa₄F₂[UO₂(CO₃)₃]₂·17-18H₂O
ElementsMg, Ca, F, U, O, C, H
Crystal systemTriclinic
Mohs hardness2.5 – 3
Density2.6 g/cm³
Streak—
Color—
IMA symbolAsf
Nickel–Strunz class5.ED.15

“—” means no reliable value in Wikidata yet. Check Mindat for full data.

🌍 Where it's found

Type locality (where it was first described): Jáchymov, Czech Republic

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.