Formula: Mg(UO2)2(AsO4)2.12H2O
Origin of name: for R. Novacek, Czech mineralogist
Crystal system: tetragonal
Crystal class: 4/m
Twinning:
Unit cell: a = 14.30 Å, c = 22.00 Å
Colour: yellow
Diaphaneity:
Luster:
Habit: crystals rectangular plates to 0.5 mm, crusts, porous, interlocking aggregates of plates and scales, lamellar aggregates
Hardness: 2.5
Specific gravity: about 3.7
Cleavage: 3; {001} perfect, {010} and {110} indistinct
Tenacity:
Streak:
Synonyms/varieties:
Comments:
| Back to Alphabetical list | Colour photos | Thin sections | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |