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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 (22) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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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 |
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REFERENCES for Quintinite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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 [view file] |
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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] |
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Jambor J L, Grew E S, Roberts A C (1998) New mineral names, American Mineralogist, 83, 1347-1352 [view file] |
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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 |
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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] |
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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 |
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