Quintinite R070709

Name: Quintinite
RRUFF ID: R070709
Ideal Chemistry: Mg4Al2(OH)12(CO3)·3H2O
Locality: Jacupiranga mine, Cajati, São Paulo, Southeast Region, Brazil
Source: Michael Scott S104013 [view label]
Owner: RRUFF
Description: Deep orange to light orange, prismatic cluster of crystals, polytype 2H, associated with calcite, magnetite, pyrite and quintinite-3T, R070715
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Hydrotalcite (21) ]
Sample Description: Unoriented sample

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RRUFF ID: R070709
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R070709.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.264(3)Å    b: 5.264(3)Å    c: 15.039(8)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 360.93(6)Å3    Crystal System: hexagonal
  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 Quintinite

American Mineralogist Crystal Structure Database Record: [view record]

Arakcheeva A V, Pushcharovskii D Y, Rastsvetaeva R K, Atencio D, Lubman G U (1996) Crystal structure and comparative crystal chemistry of Al2Mg4(OH)12(CO3)·3H2O, a new mineral from the hydrotalcite-manasseite group, Crystallography Reports, 41, 972-981

Chao G Y, Gault R A (1997) Quintinite-2H, quintinite-3T, charmarite-2H, charmarite-3T and caresite-3T, a new group of carbonate minerals related to the hydrotalcite - manasseite group, The Canadian Mineralogist, 35, 1541-1549   [view file]

Jambor J L, Grew E S, Roberts A C (1998) New mineral names, American Mineralogist, 83, 1347-1352   [view file]

Krivovichev S V, Yakovenchuk V N, Zhitova E S, Zolotarev A A, Pakhomovsky Y A, Ivanyuk G Y (2010) Crystal chemistry of natural layered double hydroxides. I. Quintinite-2H-3c from the Kovdor alkaline massif, Kola peninsula, Russia, Mineralogical Magazine, 74, 821-832

Mills S J, Christy A G, Génin J -M R, Kameda T, Colombo F (2012) Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides, Mineralogical Magazine, 76, 1289-1336   [view file]

Zhitova E S, Krivovichev S V, Yakovenchuk V N, Ivanyuk G Y, Pakhomovsky Y A, Mikhailova J A (2018) Crystal chemistry of natural layered double hydroxides: 4. Crystal structures and evolution of structural complexity of quintinite polytypes from the Kovdor alkaline-ultrabasic massif, Kola peninsula, Russia, Mineralogical Magazine, 82, 329-346