UM1987-19-SiO:FeHMgMnTi
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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
Physical Properties of UM1987-19-SiO:FeHMgMnTi
Colour:
Black
Chemistry of UM1987-19-SiO:FeHMgMnTi
Mindat 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
Element Weights:
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 UM1987-19-SiO:FeHMgMnTi
mindat.org URL:
https://www.mindat.org/min-51554.html
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References for UM1987-19-SiO:FeHMgMnTi
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.
- 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.
Greece | |
| Reinecke (1987) +1 other reference |
