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Bjordam Sunstone Quarry, Bjordammen, Bamble, Telemark, Norwayi
Regional Level Types
Bjordam Sunstone QuarryQuarry
BjordammenFarm
BambleMunicipality
TelemarkCounty
NorwayCountry

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PhotosMapsSearch
07582650017674544126747.jpg
Bjordam Sunstone quarry

Bjordam Sunstone Quarry, Bjordammen, Bamble, Telemark, Norway
03634110017674544133071.jpg
The Bjordam sunstone quarry

Bjordam Sunstone Quarry, Bjordammen, Bamble, Telemark, Norway
03154400017434288224728.jpg
Plagioclase, etc.

Bjordam Sunstone Quarry, Bjordammen, Bamble, Telemark, Norway
04380130017674533459752.jpg
Bjordam Sunstone quarry

Bjordam Sunstone Quarry, Bjordammen, Bamble, Telemark, Norway
03674340017674536417179.jpg
The Bjordam sunstone quarry

Bjordam Sunstone Quarry, Bjordammen, Bamble, Telemark, Norway
02832970017427431952049.jpg
Plagioclase, etc.

Bjordam Sunstone Quarry, Bjordammen, Bamble, Telemark, Norway
04380130017674533459752.jpg
Bjordam Sunstone quarry

Bjordam Sunstone Quarry, Bjordammen, Bamble, Telemark, Norway
03634110017674544133071.jpg
The Bjordam sunstone quarry

Bjordam Sunstone Quarry, Bjordammen, Bamble, Telemark, Norway
Latitude & Longitude (WGS84):
58° 56' 38'' North , 9° 25' 10'' East
Latitude & Longitude (decimal):
58.94391,9.41962
GRN:
N40E04
Type:
Quarry
Deposit first discovered:
1927
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Kragerø5,158 (2016)8.3km
Kil901 (2013)9.0km
Herre1,356 (2013)19.5km
Gjerstad339 (2010)24.1km
Eikeland408 (2012)24.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Fensfeltet GeologiforeningUlefoss36km
Mindat Locality ID:
12429
Long-form identifier:
mindat:1:2:12429:7
GUID (UUID V4):
0
Other/historical names associated with this locality:
Adventuren fjellbrudd; Bjordammen I
Other Languages:
Norwegian:
Bjordam solsteinsbrudd, Bjordam, Bamble, Telemark, Norge


A sunstone quarry in a granite pegmatite dike. The dike was an irregular lens 15 x 5 m. On private land, worked by the owner.
Discovered by the late Olav Bjordam in 1926.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


5 valid minerals. 1 erroneous literature entry.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Description: Anthophyllite/gedrite are found in the anthophyllite-cordierite-phlogopite-sillimanite schists. An unspecified amphibole supergroup mineral are listed from the pegamtite at the Sunstone quarry (Neumannn 1960).
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ 'Feldspar Group var. Sunstone'
ⓘ Hematite
Formula: Fe2O3
ⓘ 'K Feldspar'
Description: According to Larsen (2025) K feldspar has not been found in the pegmatite.
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ Xenotime-(Y)
Formula: Y(PO4)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘXenotime-(Y)8.AD.35Y(PO4)
Group 9 - Silicates
ⓘDravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar' ?-
ⓘ'Feldspar Group
var. Sunstone'		-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
Bⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ HematiteFe2O3
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ Xenotime-(Y)Y(PO4)
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ QuartzSiO2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
Pⓘ Xenotime-(Y)Y(PO4)
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ RutileTiO2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ HematiteFe2O3
YYttrium
Yⓘ Xenotime-(Y)Y(PO4)

Other Databases

Link to Geological Survey of Norway:9585

Other Regions, Features and Areas containing this locality

Baltic Shield (Fennoscandian Shield)Shield
Eurasian PlateTectonic Plate
EuropeContinent
Norway
ScandinaviaRegion

This page contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

Neumann, H.; Jøsang, Ottar; Morton, Roger D. (1960) International Geological Congress XXI Session Norden 1960 - Mineral occurrences in southern Norway. Guide to excursions no A.15 and no. C 12. International Geological Congress.
Neumann, H., Christie, O.H.J. (1962) Observations on plagioclase aventurines from southern Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 42 (II). 389-393
Copley, Peter A., Gay, Peter (1979) Crystallographic studies of some Norwegian aventurinised feldspars by optical, X-ray, and electron optical methods. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 59 (3). 229-237 sample from Bjordam used in this study
(2021) Deposit Area 814 - 601. Bjordammen. The Industrial Mineral Database, Geological Survey of Norway.
Larsen, Alf Olav (2025) Pegmatittbrudd i Telemark [Pegmatite quarries in Telemark]. Alf Olav Larsen. p.1-212.
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