UM1983-30-AsO:FeHMgMnZn (Also known as Mineral D)
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Formula:
(Mn,Mg,Fe3+,Al)15(AsO3)(AsO4)2(OH)23
Crystal System:
Hexagonal
Said to be the Fe3+ analogue of hematolite. The reason of the presence of "Zn" in the name is unknown (no Zn is reported in the original paper).
Unique Identifiers
Mindat ID:
47752
Long-form identifier:
mindat:1:1:47752:7
Chemistry of UM1983-30-AsO:FeHMgMnZn (Also known as Mineral D)
Mindat Formula:
(Mn,Mg,Fe3+,Al)15(AsO3)(AsO4)2(OH)23
Element Weights:
Crystallography of UM1983-30-AsO:FeHMgMnZn (Also known as Mineral D)
Crystal System:
Hexagonal
Cell Parameters:
a = 8.28 Å, c = 48.46 or 72.69 Å
Ratio:
a:c = 1 : 5.853
Unit Cell V:
2,877.23 ų (Calculated from Unit Cell)
Comment:
c parameter uncertain due to mixed-layer nature of the structure
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.09 Å | (80) |
| 5.13 Å | (50) |
| 4.10 Å | (50) |
| 3.42 Å | (50) |
| 2.400 Å | (100) |
| 1.563 Å | (100) |
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.
Internet Links for UM1983-30-AsO:FeHMgMnZn (Also known as Mineral D)
mindat.org URL:
https://www.mindat.org/min-47752.html
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References for UM1983-30-AsO:FeHMgMnZn (Also known as Mineral D)
Reference List:
Dunn, Pete J., Peacor, Donald R. (1983) A ferric iron equivalent of hematolite from Sterling Hill, New Jersey and Långban, Sweden. Mineralogical Magazine, 47 (344) 381-385 doi:10.1180/minmag.1983.047.344.15 (Abs. in Dunn, P.J., Fleischer, M., Francis, C.A., Langley, R.H., Kissin, S.A., Shigley, J.A., Vanko, D.A., Zilczer, J.A. (1984): New mineral names. American Mineralogist: 69: 814)
Localities for UM1983-30-AsO:FeHMgMnZn (Also known as Mineral D)
Showing 2 localities.
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Sweden | |
| Dunn et al. (1983) +2 other references |
USA | |
| Dunn et al. (1983) +1 other reference |
