UM1987-19-SiO:FeHMgMnTi
A material that is NOT an approved mineral species
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Formula:
(Mn2+,Fe3+,Fe2+,Ti,Mg)9Si6O20(OH)5
author's formula: (Mn2+,Fe2+,Fe3+,Ti4+,Mg)18Si12O40(OH)10
Colour:
black
Reported as the Mn analogue of deerite.
Associated with Mn-rich deerite. Forms needles, up to 0.5 mm in length and 0.02 mm across; the crystals occur in Fe- and Mn-rich quartzites. The individual grains are generally homogenous.
Associated with Mn-rich deerite. Forms needles, up to 0.5 mm in length and 0.02 mm across; the crystals occur in Fe- and Mn-rich quartzites. The individual grains are generally homogenous.
Unique Identifiers
Mindat ID:
51554
Long-form identifier:
mindat:1:1:51554:4
GUID
(UUID V4):
(UUID V4):
12e929e0-9745-4daa-8c2c-4b0914b7999b
Physical Properties of UM1987-19-SiO:FeHMgMnTi
Colour:
black
Chemical Properties of UM1987-19-SiO:FeHMgMnTi
Formula:
(Mn2+,Fe3+,Fe2+,Ti,Mg)9Si6O20(OH)5
author's formula: (Mn2+,Fe2+,Fe3+,Ti4+,Mg)18Si12O40(OH)10
author's formula: (Mn2+,Fe2+,Fe3+,Ti4+,Mg)18Si12O40(OH)10
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 UM1987-19-SiO:FeHMgMnTi
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Reinecke, T. (1987): Manganoan deerite and calderitic garnet from high-pressure metamorphic Fe-Mn-rich quartzites on Andros Island, Greece. Mineral. Mag.: 51: 274-25; in: Jambor, J.L., Burke, E.A.J., Ercit, T.S., Grice, J.D. (1988): New mineral Names. American Mineralogist: 73: 1498
Smith, D.G.W., Nickel, E.H. (2007): A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. Canadian Mineralogist: 45: 983-1055; http://nrmima.nrm.se (2016)
Internet Links for UM1987-19-SiO:FeHMgMnTi
mindat.org URL:
https://www.mindat.org/min-51554.html
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Localities for UM1987-19-SiO:FeHMgMnTi
ⓘ - 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.
Greece | |
| Reinecke, T. (1987): Manganoan deerite and calderitic garnet from high-pressure metamorphic Fe-Mn-rich quartzites on Andros Island, Greece. Mineral. Mag.: 51: 274-25; in: Jambor, J.L., Burke, E.A.J., Ercit, T.S., Grice, J.D. (1988): New mineral Names. American Mineralogist: 73: 1498 |