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Høydalen (Høydalen seter), Tørdal, Drangedal, Telemark, Norway

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Books of "lepidolite" (polylithionite-trilithionite series)

Høydalen, Tørdal, Drangedal, Telemark, Norway
"Lepidolite" (polylithionite-trilithionite series) zone

Høydalen, Tørdal, Drangedal, Telemark, Norway
Books of "lepidolite" (polylithionite-trilithionite series)

Høydalen, Tørdal, Drangedal, Telemark, Norway
"Lepidolite" (polylithionite-trilithionite series) zone

Høydalen, Tørdal, Drangedal, Telemark, Norway
Books of "lepidolite" (polylithionite-trilithionite series)

Høydalen, Tørdal, Drangedal, Telemark, Norway
Latitude & Longitude (WGS84): 59° 10' 59'' North , 8° 45' 35'' East
Latitude & Longitude (decimal): 59.18313,8.75974
Other regions containing this locality:Scandinavia
Köppen climate type:Dfc : Subarctic climate
Name(s) in local language(s):Høydalen, Tørdal, Drangedal kommune, Telemark fylke, Norge

The Høydalen locality consists of 2 separate amazonite pegmatite dikes, which are situated a few hundred meters apart. The pegmatites are hosted in a Precambrian metamorphosed gabbroic rock. Both pegmatite dikes have been worked as 2 different quarries; the upper and lower quarries. Lepidolite was mined here in the period 1941-43. Occasional blasting during the years has revealed several mineral species. It is the type locality of tveitite-(Y).

For a period the quarries were opened as a touristic collecting site with an entrance fee. The quarries are now abandoned. Collecting at dumps is not allowed without permission from the landowner!

Note to the mineralist:
A study of the purple and pink micas from Høydalen, has shown that
=> the very coarse grained mica varies between polylithionite and trilithionite,
=> the coarse grained purple mica can be classified as polylithionite
=> and the medium grained purple mica consist of intergrown ferroan muscovite and polylithionite (Rosing-Schow et al. 2017).

Mineral List

45 valid minerals. 1 (TL) - type locality of valid minerals. 1 erroneous literature entry.

Rock Types Recorded

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

1000 - 1600 Ma

ID: 1377865
Mesoproterozoic plutonic rocks

Age: Mesoproterozoic (1000 - 1600 Ma)

Comments: Deep-seated to high-level intrusions are included. Many charnockites, anorthosites, and large ophiolites, classified as plutons, are distinguished in the database using the SIGNIF item. Ophiolites were classified as plutons, even where remnants may be extrusive and/or sedimentary.

Lithology: Plutonic rocks

Reference: Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d. [18]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Oftedal, I. (1942) Lepidolit-og tinnsteinsførende pegmatitt i Tørdal, Telemark. Norske Geologisk Tidsskrift 22, 1-14.

Sverdrup, T.L., Sæbø, P. Chr., and Bryn, K.Ö. (1965) Contribution to the Mineralogy of Norway No. 31. Tysonite (fluocerite), a new mineral for Norway. Norsk Geologisk Tidsskrift 45, 177-188.

Sverdrup, T.L. (1968) Contributions to the Mineralogy of Norway No. 37. Yttrofluorite-yttrocerite-cerfluorite in Norwegian pegmatites. Norsk Geologisk Tidsskrift 48, 245-252.

Bergstøl, S., Jensen, B.B., and Neumann, H. (1977) Tveitite, a new calcium yttrium fluoride. Lithos 10, 81-87.

Ash, L.A., Evans, S., and Hiorns, A.G. (1987) Cation ordering in lepidolite and biotite studied by x-ray photoelectron diffraction. Clay Minerals 22, 375-386. [Material from Høydalen used in the study]

Berg, H.-J. (1988) "Lepidolitt" fra Tørdal. OG-nytt. August 1988, p. 6 [A short note on a manganoan muscovite from Høydalen]

Raade, Sæbø, Austrheim, and Kristiansen (1993) Kuliokite-(Y) and its alteration products kainosite-(Y) and kamphaugite-(Y) from granite pegmatite in Tørdal, Norway. European Journal of Mineralogy, 5, 691-698.

Ljøstad, O.T. (1994) Kamphaugitt-(Y)- det nyest beskrevne mineralet fra Norge. STEIN 21 (2), 143-144.

Kristiansen, R. (1998a) Høydalen Litium-pegmatitt-Tørdal i Telemark. Norsk Bergverksmuseum Skrift 14, 17-28.

Kristiansen, R. (1998b) Høydalen Litium-pegmatitt-Tørdal i Telemark. STEIN 25 (4), 21-30.

Kristiansen, R. (2008) Nye mineralfunn i Norge. STEIN 35 (1), 17-21. [on a find of bazzite]

Raade, G. and Kolitsch, U. (2016) Crystal chemistry of two tourmalines from Høydalen, Tørdal, Telemark. Norsk mineralsymposium 2016, 21-31.

Rosing-Schow, N., Müller, A., and Friis, H. (2017) Composition and classification of mica from south Norwegian pegmatites. PEG2017. NGF Abstracts and Proceedings, 2017 (2): 78-79.

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