Scandium Microlite (of Bergstøl & Juve)
A variety of Microlite Group
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Formula:
(Ca,Sc)2(Ta,Nb)2O6F
Simplified, based on composition from Bergstøl & Juve
Name:
Name introduced by Bergstøl & Juve (1988) for an yttrian scandian microlite (uranian) found at Heftetjern, Norway.
A Sc-bearing microlite group mineral. An incompletely described mineral. "Sc exceeds 20 % of the total A atoms and is the most abundant A atom other than Ca" (Bergstøl & Juve 1988). Found in an altered area of an ixiolite.
Name Encoding
ASCII-7:
Scandium Microlite (of Bergstol & Juve)
Unique Identifiers
Mindat ID:
31493 (as Scandium Microlite (of Bergstøl & Juve))
2705 (as Microlite Group)
2705 (as Microlite Group)
Long-form identifier:
mindat:1:1:31493:6 (as Scandium Microlite (of Bergstøl & Juve))
mindat:1:1:2705:8 (as Microlite Group)
mindat:1:1:2705:8 (as Microlite Group)
IMA Classification of Scandium Microlite (of Bergstøl & Juve)
Discredited
Chemistry of Scandium Microlite (of Bergstøl & Juve)
Mindat Formula:
(Ca,Sc)2(Ta,Nb)2O6F
Simplified, based on composition from Bergstøl & Juve
Simplified, based on composition from Bergstøl & Juve
Element Weights:
Chemical Analysis
Oxide wt%:
| 1 | |
|---|---|
| CaO | 4.2 % |
| MnO | 0.3 % |
| FeO | 1.5 % |
| Sc2O3 | 3.4 % |
| Y2O3 | 3.6 % |
| SnO2 | 1.5 % |
| UO2 | 9.5 % |
| Ta2O5 | 56.0 % |
| Nb2O5 | 15.2 % |
| TiO2 | 2.0 % |
| F | 1.5 % |
| Total: | 98.7 % |
Sample references:
| ID | Locality | Reference | Notes |
|---|---|---|---|
| 1 | Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway | Altered areas in ixiolite. Electron Microprobe analysis |
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 Scandium Microlite (of Bergstøl & Juve)
mindat.org URL:
https://www.mindat.org/min-31493.html
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References for Scandium Microlite (of Bergstøl & Juve)
Localities for Scandium Microlite (of Bergstøl & Juve)
Showing 1 localities.
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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.
Norway | |
| Bergstøl et al. (1988) |
