Freyalite
A variety of Melanocerite-(Ce)
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Formula:
(Ce,Ca)5(SiO4,BO4)3(OH,0)
Name:
First found by the H.M.Thrane Esmark in an undisclosed locality in Langsundsfjorden area, Norway.
A variety of Melanocerite-(Ce)
Thorium-rich variety of melanocerite-(Ce) which has been altered with subsequent leaching of Na,Ca,and F.
Thorium-rich variety of melanocerite-(Ce) which has been altered with subsequent leaching of Na,Ca,and F.
Unique Identifiers
Mindat ID:
31638 (as Freyalite)
2629 (as Melanocerite-(Ce))
2629 (as Melanocerite-(Ce))
Long-form identifier:
mindat:1:1:31638:7 (as Freyalite)
mindat:1:1:2629:7 (as Melanocerite-(Ce))
mindat:1:1:2629:7 (as Melanocerite-(Ce))
GUID
(UUID V4):
(UUID V4):
31a17d31-523c-44b1-afa9-9beba73ac491 (as Freyalite)
9e19f362-70b0-4c8b-be3b-f50f681cd8f6 (as Melanocerite-(Ce))
9e19f362-70b0-4c8b-be3b-f50f681cd8f6 (as Melanocerite-(Ce))
Chemical Properties of Freyalite
Formula:
(Ce,Ca)5(SiO4,BO4)3(OH,0)
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 Freyalite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie. 16. 663 pp
Andersen, T. & Neumann, H. (1985): Identity of "freyalite", an alleged rare earth-rich variety of thorite, and its pre-metamict composition. American Mineralogist. 70:1059-1064
Internet Links for Freyalite
mindat.org URL:
https://www.mindat.org/min-31638.html
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Please feel free to link to this page.
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Localities for Freyalite
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.
Norway | |
| Andersen, T. & Neumann, H. (1985): Identity of "freyalite", an alleged rare earth-rich variety of thorite, and its pre-metamict composition. American Mineralogist. 70:1059-1064 |
| Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. p 462 |