Quintinite-2T
A structural variant of Quintinite
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Formula:
Mg4Al2(OH)12(CO3) · 3H2O
Specific Gravity:
2.16 (Calculated)
Crystal System:
Trigonal
A polytype of Quintinite
The powder X-ray diffraction pattern of quintinite-2T contains weak superstructure reflection at 4.57 Å (010), indicative of Mg and Al ordering.
The powder X-ray diffraction pattern of quintinite-2T contains weak superstructure reflection at 4.57 Å (010), indicative of Mg and Al ordering.
Unique Identifiers
Mindat ID:
470753
Long-form identifier:
mindat:1:1:470753:6
GUID
(UUID V4):
(UUID V4):
1d830e22-6a2d-49fa-b7f3-d21ddeb4d179
Physical Properties of Quintinite-2T
Density:
2.16(4) g/cm3 (Calculated)
Chemical Properties of Quintinite-2T
Formula:
Mg4Al2(OH)12(CO3) · 3H2O
Crystallography of Quintinite-2T
Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
P3 1c
Setting:
P3 1c
Cell Parameters:
a = 5.27(2) Å, c = 15.15(5) Å
Ratio:
a:c = 1 : 2.875
Unit Cell V:
364.39 ų (Calculated from Unit Cell)
Z:
1
Comment:
averages of two crystals
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Quintinite-2T
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zhitova, Elena S., Rezeda M. Sheveleva, Andrey A. Zolotarev, and Sergey V. Krivovichev. (2023) "The Crystal Structure of Mg–Al–CO3 Layered Double Hydroxide" Crystals 13, no. 5: 839.
Internet Links for Quintinite-2T
mindat.org URL:
https://www.mindat.org/min-470753.html
Please feel free to link to this page.
Please feel free to link to this page.
Mineral Dealers:
Localities for Quintinite-2T
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Brazil | |
| Zhitova, Elena S., Rezeda M. Sheveleva, Andrey A. Zolotarev, and Sergey V. Krivovichev. (2023) "The Crystal Structure of Mg–Al–CO3 Layered Double Hydroxide" Crystals 13, no. 5: 839. |
Russia | |
| Zhitova, Elena S., Rezeda M. Sheveleva, Andrey A. Zolotarev, and Sergey V. Krivovichev. (2023) "The Crystal Structure of Mg–Al–CO3 Layered Double Hydroxide" Crystals 13, no. 5: 839. |