Lindvikskollen Quarry, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norwayi
Regional Level Types | |
---|---|
Lindvikskollen Quarry | Quarry (Abandoned) |
Lindvikskollen-Kalstadgangen pegmatite | Pegmatite |
Kragerø | Municipality |
Telemark | County |
Norway | Country |
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Latitude & Longitude (WGS84):
58° 51' 55'' North , 9° 22' 22'' East
Latitude & Longitude (decimal):
Type:
Quarry (Abandoned) - last checked 2024
Köppen climate type:
Nearest Clubs:
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Local clubs are the best way to get access to collecting localities
Club | Location | Distance |
---|---|---|
Fensfeltet Geologiforening | Ulefoss | 44km |
Mindat Locality ID:
145953
Long-form identifier:
mindat:1:2:145953:4
GUID (UUID V4):
8e9e11b3-9c7d-40ba-bfa6-52ecda2a39aa
Other/historical names associated with this locality:
West mine
Other Languages:
Norwegian:
Lindvikskollenbruddet, Lindvikskollen-Kalstadgangen pegmatitten, Kragerø, Telemark, Norge
The Lindvikskollen feldspar quarry is situated in the western part of the Lindvikskollen-Kalstadgangen pegmatite dike, at the very top of Mt. Lindvikskollen. The quarry has been abandoned since the early 1930s. See the entry on the Lindvikskollen-Kalstadgangen pegmatite for more information about the pegmatite.
This is one of the type localities of hellandite-(Y). The mineral was first discovered in 1903. More than 200 crystals of hellandite-(Y) were collected between 1903-1922 on the dumps of the quarry. The core that hosted the hellandite was already quarried out when Brøgger described hellandite in 1903.
The pegmatite with its quarries and prospects may be included in the Gea Norvegica, a Geopark.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
23 valid minerals. 1 (TL) - type locality of valid minerals.
Detailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides | |||
---|---|---|---|
ⓘ | Quartz | 4.DA.05 | SiO2 |
ⓘ | Rutile | 4.DB.05 | TiO2 |
ⓘ | Anatase | 4.DD.05 | TiO2 |
ⓘ | Aeschynite-(Y) | 4.DF.05 | (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 |
Group 5 - Nitrates and Carbonates | |||
ⓘ | Tengerite-(Y) ? | 5.CC.10 | Y2(CO3)3 · 2-3H2O |
Group 8 - Phosphates, Arsenates and Vanadates | |||
ⓘ | Chernovite-(Y) | 8.AD.35 | Y(AsO4) |
ⓘ | Xenotime-(Y) | 8.AD.35 | Y(PO4) |
ⓘ | Monazite-(Ce) | 8.AD.50 | Ce(PO4) |
ⓘ | Fluorapatite | 8.BN.05 | Ca5(PO4)3F |
Group 9 - Silicates | |||
ⓘ | Phenakite | 9.AA.05 | Be2SiO4 |
ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
ⓘ | Thorite var. Orangite | 9.AD.30 | Th(SiO4) |
ⓘ | 9.AD.30 | Th(SiO4) | |
ⓘ | Titanite var. Yttrium-bearing Titanite | 9.AG.15 | (Ca,Y)TiSiO5 |
ⓘ | 9.AG.15 | CaTi(SiO4)O | |
ⓘ | Hingganite-(Y) | 9.AJ.20 | (Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2 |
ⓘ | Allanite-(Ce) | 9.BG.05b | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
ⓘ | Kainosite-(Y) | 9.CF.10 | Ca2(Y,Ce)2(Si4O12)(CO3) · H2O |
ⓘ | Schorl | 9.CK.05 | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
ⓘ | Caysichite-(Y) | 9.DJ.15 | (Ca,Yb,Er)4Y4(Si8O20)(CO3)6(OH) · 7H2O |
ⓘ | 'Hellandite-(Yb)' ? | 9.DK.20 | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
ⓘ | Hellandite-(Y) (TL) | 9.DK.20 | (Ca,REE)4Y2Al◻2(B4Si4O22) (OH)2 |
ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
ⓘ | Siderophyllite | 9.EC.20 | KFe2+2Al(Al2Si2O10)(OH)2 |
ⓘ | Microcline | 9.FA.30 | K(AlSi3O8) |
ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
Unclassified | |||
ⓘ | 'Lithian Muscovite' | - | KAl2(AlSi3O10)(OH)2 |
ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
ⓘ | 'Scapolite' | - | |
ⓘ | 'Euxenite Group' | - |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Aeschynite-(Y) | (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 |
H | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
H | ⓘ Caysichite-(Y) | (Ca,Yb,Er)4Y4(Si8O20)(CO3)6(OH) · 7H2O |
H | ⓘ Hellandite-(Y) | (Ca,REE)4Y2Al◻2(B4Si4O22) (OH)2 |
H | ⓘ Hingganite-(Y) | (Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2 |
H | ⓘ Kainosite-(Y) | Ca2(Y,Ce)2(Si4O12)(CO3) · H2O |
H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
H | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
H | ⓘ Siderophyllite | KFe22+Al(Al2Si2O10)(OH)2 |
H | ⓘ Tengerite-(Y) | Y2(CO3)3 · 2-3H2O |
H | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
H | ⓘ Lithian Muscovite | KAl2(AlSi3O10)(OH)2 |
Li | Lithium | |
Li | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
Be | Beryllium | |
Be | ⓘ Hingganite-(Y) | (Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2 |
Be | ⓘ Phenakite | Be2SiO4 |
Be | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
B | Boron | |
B | ⓘ Hellandite-(Y) | (Ca,REE)4Y2Al◻2(B4Si4O22) (OH)2 |
B | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
B | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
C | Carbon | |
C | ⓘ Caysichite-(Y) | (Ca,Yb,Er)4Y4(Si8O20)(CO3)6(OH) · 7H2O |
C | ⓘ Kainosite-(Y) | Ca2(Y,Ce)2(Si4O12)(CO3) · H2O |
C | ⓘ Tengerite-(Y) | Y2(CO3)3 · 2-3H2O |
O | Oxygen | |
O | ⓘ Aeschynite-(Y) | (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 |
O | ⓘ Albite | Na(AlSi3O8) |
O | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
O | ⓘ Anatase | TiO2 |
O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
O | ⓘ Caysichite-(Y) | (Ca,Yb,Er)4Y4(Si8O20)(CO3)6(OH) · 7H2O |
O | ⓘ Chernovite-(Y) | Y(AsO4) |
O | ⓘ Fluorapatite | Ca5(PO4)3F |
O | ⓘ Hellandite-(Y) | (Ca,REE)4Y2Al◻2(B4Si4O22) (OH)2 |
O | ⓘ Hingganite-(Y) | (Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2 |
O | ⓘ Kainosite-(Y) | Ca2(Y,Ce)2(Si4O12)(CO3) · H2O |
O | ⓘ Microcline | K(AlSi3O8) |
O | ⓘ Monazite-(Ce) | Ce(PO4) |
O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
O | ⓘ Thorite var. Orangite | Th(SiO4) |
O | ⓘ Phenakite | Be2SiO4 |
O | ⓘ Quartz | SiO2 |
O | ⓘ Rutile | TiO2 |
O | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
O | ⓘ Siderophyllite | KFe22+Al(Al2Si2O10)(OH)2 |
O | ⓘ Tengerite-(Y) | Y2(CO3)3 · 2-3H2O |
O | ⓘ Thorite | Th(SiO4) |
O | ⓘ Titanite | CaTi(SiO4)O |
O | ⓘ Xenotime-(Y) | Y(PO4) |
O | ⓘ Zircon | Zr(SiO4) |
O | ⓘ Titanite var. Yttrium-bearing Titanite | (Ca,Y)TiSiO5 |
O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
O | ⓘ Pyroxene Group | ADSi2O6 |
O | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
O | ⓘ Lithian Muscovite | KAl2(AlSi3O10)(OH)2 |
F | Fluorine | |
F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
F | ⓘ Fluorapatite | Ca5(PO4)3F |
F | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
Na | Sodium | |
Na | ⓘ Albite | Na(AlSi3O8) |
Na | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Mg | Magnesium | |
Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Al | Aluminium | |
Al | ⓘ Albite | Na(AlSi3O8) |
Al | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Al | ⓘ Hellandite-(Y) | (Ca,REE)4Y2Al◻2(B4Si4O22) (OH)2 |
Al | ⓘ Microcline | K(AlSi3O8) |
Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
Al | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Al | ⓘ Siderophyllite | KFe22+Al(Al2Si2O10)(OH)2 |
Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Al | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
Al | ⓘ Lithian Muscovite | KAl2(AlSi3O10)(OH)2 |
Si | Silicon | |
Si | ⓘ Albite | Na(AlSi3O8) |
Si | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Si | ⓘ Caysichite-(Y) | (Ca,Yb,Er)4Y4(Si8O20)(CO3)6(OH) · 7H2O |
Si | ⓘ Hellandite-(Y) | (Ca,REE)4Y2Al◻2(B4Si4O22) (OH)2 |
Si | ⓘ Hingganite-(Y) | (Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2 |
Si | ⓘ Kainosite-(Y) | Ca2(Y,Ce)2(Si4O12)(CO3) · H2O |
Si | ⓘ Microcline | K(AlSi3O8) |
Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
Si | ⓘ Thorite var. Orangite | Th(SiO4) |
Si | ⓘ Phenakite | Be2SiO4 |
Si | ⓘ Quartz | SiO2 |
Si | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Si | ⓘ Siderophyllite | KFe22+Al(Al2Si2O10)(OH)2 |
Si | ⓘ Thorite | Th(SiO4) |
Si | ⓘ Titanite | CaTi(SiO4)O |
Si | ⓘ Zircon | Zr(SiO4) |
Si | ⓘ Titanite var. Yttrium-bearing Titanite | (Ca,Y)TiSiO5 |
Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Si | ⓘ Pyroxene Group | ADSi2O6 |
Si | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
Si | ⓘ Lithian Muscovite | KAl2(AlSi3O10)(OH)2 |
P | Phosphorus | |
P | ⓘ Fluorapatite | Ca5(PO4)3F |
P | ⓘ Monazite-(Ce) | Ce(PO4) |
P | ⓘ Xenotime-(Y) | Y(PO4) |
K | Potassium | |
K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
K | ⓘ Microcline | K(AlSi3O8) |
K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
K | ⓘ Siderophyllite | KFe22+Al(Al2Si2O10)(OH)2 |
K | ⓘ Lithian Muscovite | KAl2(AlSi3O10)(OH)2 |
Ca | Calcium | |
Ca | ⓘ Aeschynite-(Y) | (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 |
Ca | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
Ca | ⓘ Caysichite-(Y) | (Ca,Yb,Er)4Y4(Si8O20)(CO3)6(OH) · 7H2O |
Ca | ⓘ Fluorapatite | Ca5(PO4)3F |
Ca | ⓘ Hellandite-(Y) | (Ca,REE)4Y2Al◻2(B4Si4O22) (OH)2 |
Ca | ⓘ Hingganite-(Y) | (Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2 |
Ca | ⓘ Kainosite-(Y) | Ca2(Y,Ce)2(Si4O12)(CO3) · H2O |
Ca | ⓘ Titanite | CaTi(SiO4)O |
Ca | ⓘ Titanite var. Yttrium-bearing Titanite | (Ca,Y)TiSiO5 |
Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Ca | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
Ti | Titanium | |
Ti | ⓘ Aeschynite-(Y) | (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 |
Ti | ⓘ Anatase | TiO2 |
Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Ti | ⓘ Rutile | TiO2 |
Ti | ⓘ Titanite | CaTi(SiO4)O |
Ti | ⓘ Titanite var. Yttrium-bearing Titanite | (Ca,Y)TiSiO5 |
Ti | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
Fe | Iron | |
Fe | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Fe | ⓘ Hingganite-(Y) | (Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2 |
Fe | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Fe | ⓘ Siderophyllite | KFe22+Al(Al2Si2O10)(OH)2 |
Fe | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
As | Arsenic | |
As | ⓘ Chernovite-(Y) | Y(AsO4) |
Y | Yttrium | |
Y | ⓘ Aeschynite-(Y) | (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 |
Y | ⓘ Caysichite-(Y) | (Ca,Yb,Er)4Y4(Si8O20)(CO3)6(OH) · 7H2O |
Y | ⓘ Chernovite-(Y) | Y(AsO4) |
Y | ⓘ Hellandite-(Y) | (Ca,REE)4Y2Al◻2(B4Si4O22) (OH)2 |
Y | ⓘ Hingganite-(Y) | (Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2 |
Y | ⓘ Kainosite-(Y) | Ca2(Y,Ce)2(Si4O12)(CO3) · H2O |
Y | ⓘ Tengerite-(Y) | Y2(CO3)3 · 2-3H2O |
Y | ⓘ Xenotime-(Y) | Y(PO4) |
Y | ⓘ Titanite var. Yttrium-bearing Titanite | (Ca,Y)TiSiO5 |
Y | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
Zr | Zirconium | |
Zr | ⓘ Zircon | Zr(SiO4) |
Nb | Niobium | |
Nb | ⓘ Aeschynite-(Y) | (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 |
Ce | Cerium | |
Ce | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
Ce | ⓘ Kainosite-(Y) | Ca2(Y,Ce)2(Si4O12)(CO3) · H2O |
Ce | ⓘ Monazite-(Ce) | Ce(PO4) |
Er | Erbium | |
Er | ⓘ Caysichite-(Y) | (Ca,Yb,Er)4Y4(Si8O20)(CO3)6(OH) · 7H2O |
Yb | Ytterbium | |
Yb | ⓘ Caysichite-(Y) | (Ca,Yb,Er)4Y4(Si8O20)(CO3)6(OH) · 7H2O |
Yb | ⓘ Hellandite-(Yb) | (Ca,Y)4(Yb,Y)2(Al,Fe3+,Ti4+)(Be,Li)2[B4Si4O22](O,F,OH)2 |
Th | Thorium | |
Th | ⓘ Aeschynite-(Y) | (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 |
Th | ⓘ Thorite var. Orangite | Th(SiO4) |
Th | ⓘ Thorite | Th(SiO4) |
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References
Brögger, W. C. (1907) XXVIII. Hellandit von Lindvikskollen bei Kragerö, Norwegen. Zeitschrift für Kristallographie - Crystalline Materials, 42 (1) 417 doi:10.1524/zkri.1907.42.1.417
Green, John C. (1956) Geology of the Storkollen - Blankenberg area, Kragerø, Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 36 (2) 89-140
Kristiansen, Roy (1993) Caysichitt-(Y) og Chernovitt-(Y) fra Lindvikskollen, Kragerø; 2 nye mineraler for Norge, in Telemark I. STEIN. Nordisk magasin for populær geologi, 20 (2) 125-128
Larsen, Alf Olav, Nordrum, Fred Steinar, Austrheim, Haakon (1999) Turmaliner i Norge [Tourmalines in Norway]. Norsk Bergverksmuseum Skrift, 15. Norsk Bergverksmuseum (Norwegian Mining Museum) 21-30 analysis of schorl
Larsen, Knut Edvard (2008) Lindvikskollen- Kalstadgangen, Kragerø, en klassisk norsk granittpegmatitt [Lindvikskollen- Kalstadgangen, Kragerø, a classic Norwegian granite pegmatite]. Norsk Bergverksmuseum Skrift 38, 37-44
Larsen, Knut Edvard (2010) Norske typelokaliteter: Lindvikskollenbruddet, Kragerø. STEIN. Magasin for populærgeologi, 37 (3) 8-13
Kristiansen, Roy (2010) Caysichitt-(Y) og chernovitt-(Y) fra Lindvikskollen- igjen!. STEIN. Magasin for populærgeologi, 37 (3) 14-15
Kolitsch, Uwe, Husdal, Tomas A., Brandstätter, Franz, Ertl, Andreas (2011) New crystal-chemical data for members of the tourmaline group from Norway: occurences of fluor-schorl and luinaite-(OH). Norsk Bergverksmuseum Skrift, 46. 17-24
Kolitsch, Uwe, Andresen, Peter, Husdal, Tomas Andersen, Ertl, Andreas, Haugen, Astrid, Ellingsen, Hans Vidar, Larsen, Alf Olav (2013) Tourmaline-group minerals from Norway, part II: Occurrences of luinaite-(OH) in Tvedalen, Larvik and Porsgrunn, and fluor-liddicoatite, fluor-elbaite and fluor-schorl at Ågskardet, Nordland. Norsk Bergverksmuseum Skrift, 50. 23-41 with an analysis of schorl and inclusions in schorl from Lindvikskollen