Hemihedrite R141184

Name: Hemihedrite
RRUFF ID: R141184
Ideal Chemistry: ZnPb10(CrO4)6(SiO4)2(OH)2
Locality: Rat Tail Claim, Wickenburg Area, Belmont Mts, Maricopa County, Arizona, USA
Source: Marcus Origlieri [view label]
Owner: RRUFF
Description: Brown translucent spears
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Iranite (6) ]
Quick search: [ All Hemihedrite samples (4) ]
RRUFF ID: R141184.2
Sample Description: Microprobe Fragment
Measured Chemistry: Pb9.94(Zn0.91Mg0.02)∑=0.93(Cr5.91S0.08P0.02)∑=6.01(Si1.88As0.02)∑=1.90O34H2.62 ; H2O calculated to achieve 34 O atoms.
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample

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RRUFF ID: R141184
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R141184.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.476(2)Å    b: 11.425(3)Å    c: 10.842(2)Å
alpha: 120.59(1)°    beta: 92.06(1)°    gamma: 55.866(9)°   Volume: 783.4(2)Å3    Crystal System: triclinic
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Hemihedrite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Williams S A, Anthony J W (1967) Abstract of paper presented at the twelfth annual meeting: Hemihedrite. A new mineral from Arizona, The Canadian Mineralogist, 9, 310-310   [view file]

Mandarino J A, Kato A (1968) New mineral names, American Mineralogist, 53, 1421-1427   [view file]

McLean W J, Anthony J W (1970) The crystal structure of hemihedrite, American Mineralogist, 55, 1103-1114   [view file]

Williams S A, Anthony J W (1970) Hemihedrite, a new mineral from Arizona, American Mineralogist, 55, 1088-1102   [view file]

Fleischer M (1973) New mineral names, American Mineralogist, 58, 560-562   [view file]

Cesbron F, Williams S A (1980) Iranite-hémihédrite, bellite, phoenicochroite, vauquelinite et fornacite: synthèse et nouvelles données, Bulletin de Minéralogie, 103, 469-477   [view file]

Lager G A, Armbruster T, Rotella F J, Jorgensen J D, Hinks D G (1984) A crystallographic study of the low-temperature dehydration products of gypsum, CaSO4·2H2O: hemihydrate CaSO4·0.50H2O, and γ-CaSO4, American Mineralogist, 69, 910-918   [view file]

Frost R L (2004) Raman microscopy of selected chromate minerals, Journal of Raman Spectroscopy, 35, 153-158

Edwards H G M, Vandenabeele P, Jehlicka J, Benoy T J (2014) An analytical Raman spectroscopic study of an important english oil painting of the 18th Century, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 118, 598-602

Yang H, Andrade M B, Downs R T, Gibbs R B, Jenkins R A (2016) Raygrantite, Pb10Zn(SO4)6(SiO4)2(OH)2, a new mineral isostructural with iranite, from the Big Horn mountains, Maricopa County, Arizona, USA, The Canadian Mineralogist, 54, 625-634   [view file]

Lafuente B, Downs R T, Origlieri M J, Domanik K J, Gibbs R B, Rumsey M S (2017) New data on hemihedrite from Arizona, Mineralogical Magazine, 81, 1021-1030   [view file]