Vanpeltite R230006
Name: Vanpeltite
RRUFF ID: R230006
Ideal Chemistry: (Mo2O5)(S4+O3)·4H2O
Locality: Freedom No. 2 mine, Marysvale District, Piute County, Utah, USA
Source: Brent Thorne
Owner: RRUFF
Description: Sprays of dark blue prismatic or bladed crystals associated with alunogen. Type sample. Raman was not measured because of very poor quality of spectra.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Not in a structural group (133) ]
CHEMISTRY 
RRUFF ID: R230006.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mo6+2O5)[(S4+0.72Mo4+0.28)O3]·4H2O ; The empirical formula was calculated based on 12 O apfu, as determined from the structure analysis.
Reference File: [ View PDF ]
POWDER DIFFRACTION 
RRUFF ID: R230006
Cell Refinement Output: a: 8.6058(4)Å    b: 5.2912(1)Å    c: 23.1553(9) Å
alpha: 90°    beta: 90.110(3)°    gamma: 90°   Volume: 1054.38(4) Å3    Crystal System: monoclinic
DOWNLOADS:

Reference PDF
X Min:    X Max:    X Sort:
REFERENCES for Vanpeltite

Bosi F, Hatert F, Pasero M, Mills S J (2023) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 76, European Journal of Mineralogy, 35, 1073-1078   [view file]