Raade, Gunnar, Chukanov, Nikita V., Kolitsch, Uwe, Möckel, Steffen, Zadov, Aleksandr E., Pekov, Igor V. (2004) Gjerdingenite-Mn from Norway a new mineral species in the labuntsovite group: descriptive data and crystal structure. European Journal of Mineralogy, 16 (6) 979-987 doi:10.1127/0935-1221/2004/0016-0979

Classification of Gjerdingenite-MnHide

Strunz-mindat (2026):

9.CE.30c

9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si₄O₁₂]₈- 4-membered single rings (vierer-Einfachringe), without insular complex anions

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference for Standard
Gje-Mn	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of Gjerdingenite-MnHide

Lustre:

Vitreous

Transparency:

Translucent

Colour:

Pale yellowish to tan

Streak:

White

Hardness:

5 on Mohs scale

Tenacity:

Brittle

Cleavage:

None Observed

Fracture:

Irregular/Uneven

Density:

2.93 g/cm³ (Calculated)

Optical Data of Gjerdingenite-MnHide

Type:

Biaxial (+)

RI values:

n_α = 1.670(2) n_β = 1.685(2) n_γ = 1.775(5)

2V:

Measured: 52° (8), Calculated: 46°

Max. Birefringence:

δ = 0.105
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.

Thickness: 30 µm Order divisions

Rotation:

Surface Relief:

Moderate

Dispersion:

Weak, r < v

Optical Extinction:

Z = a, Y = b

Pleochroism:

Visible

Comments:

Y = yellowish brown; X = Z = colorless

Chemistry of Gjerdingenite-MnHide

Mindat Formula:

K₂Mn²⁺(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄ · 6H₂O

Element Weights:

Element	% weight
O	42.316 %
Nb	28.909 %
Si	17.478 %
K	6.083 %
Mn	4.274 %
H	0.941 %

Calculated from ideal end-member formula.

Elements listed:

H, K, Mn, Nb, O, Si, Ti - search for minerals with similar chemistry

Common Impurities:

Na,Fe

Crystallography of Gjerdingenite-MnHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

B2/m

Setting:

C2/m

Cell Parameters:

a = 14.563 Å, b = 13.961 Å, c = 7.851 Å
α = 117.62°

Ratio:

a:b:c = 1.043 : 1 : 0.562

Unit Cell V:

1414.3 Å³

Morphology:

Prismatic on [010]; with forms {001}, {100}, {201} and {021}.

Twinning:

On {001}

Crystal StructureHide

Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4

View
CIF File Best | x | y | z | a | b | c

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Stop | Start

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0007086	Gjerdingenite-Mn	Raade G, Chukanov N V, Kolitsch U, Mockel S, Zadov A E, Pekov I V (2004) Gjerdingenite-Mn from Norway - a new mineral species in the labuntsovite group: descriptive data and crystal structure European Journal of Mineralogy 16 979-987		2004	Gjerdingselva, Lunner, Oppland, Oslo Region, Norway	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Gjerdingenite-Mn'
loop_
_publ_author_name
'Raade G'
'Chukanov N V'
'Kolitsch U'
'Mockel S'
'Zadov A E'
'Pekov I V'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 16 
_journal_year 2004
_journal_page_first 979
_journal_page_last 987
_publ_section_title
;
 Gjerdingenite-Mn from Norway - a new mineral species
 in the labuntsovite group: descriptive data and crystal structure
;
_database_code_amcsd 0007086
_chemical_compound_source 'Gjerdingselva, Lunner, Oppland, Oslo Region, Norway'
_chemical_formula_sum 'O34.56 K1.44 Mn1.013 (Nb2.508 Ti1.492) Si8 H17.12'
_cell_length_a 14.563
_cell_length_b 13.961
_cell_length_c 7.851
_cell_angle_alpha 90
_cell_angle_beta 117.62
_cell_angle_gamma 90
_cell_volume 1414.316
_exptl_crystal_density_diffrn      2.844
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
WatB   0.43360   0.00000   0.73100   1.00000   0.10000
KB*   0.50000   0.82850   0.00000   0.72000   0.09000
WatB*   0.50000   0.82850   0.00000   0.28000   0.09000
WatC   0.08700   0.00000   0.33530   1.00000   0.03500
MnD   0.00000   0.00000   0.50000   0.83100   0.01970
MnD*   0.25100   0.00000   0.50100   0.09100   0.01700
Nb1   0.00000   0.76495   0.50000   0.54700   0.03210
Ti1   0.00000   0.76495   0.50000   0.45300   0.03210
Nb2   0.75000   0.75000   0.50000   0.70700   0.03570
Ti2   0.75000   0.75000   0.50000   0.29300   0.03570
Si1   0.20550   0.10880   0.79840   1.00000   0.01850
Si2   0.68540   0.89040   0.75730   1.00000   0.01830
O-H1   0.90180   0.76690   0.60810   1.00000   0.02310
O2   0.91810   0.88100   0.33510   1.00000   0.02850
O3   0.25850   0.87160   0.37400   1.00000   0.02900
O4   0.27070   0.82050   0.73070   1.00000   0.02590
O5   0.41530   0.82150   0.30320   1.00000   0.02860
O6   0.35630   0.00000   0.26780   1.00000   0.03300
O7   0.23260   0.87180   0.01950   1.00000   0.03100
O8   0.24110   0.00000   0.78220   1.00000   0.03100
Wat   0.00000   0.13400   0.00000   1.00000   0.11700
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
WatB 0.05800 0.15600 0.09500 0.00000 0.04300 0.00000
KB' 0.06000 0.13400 0.07300 0.00000 0.02700 0.00000
WatB' 0.06000 0.13400 0.07300 0.00000 0.02700 0.00000
WatC 0.04400 0.02700 0.03700 0.00000 0.02200 0.00000
MnD 0.02100 0.01900 0.01600 0.00000 0.00600 0.00000
Nb1 0.02660 0.02050 0.02840 0.00000 -0.00510 0.00000
Ti1 0.02660 0.02050 0.02840 0.00000 -0.00510 0.00000
Nb2 0.06390 0.02750 0.03130 0.00620 0.03550 0.00350
Ti2 0.06390 0.02750 0.03130 0.00620 0.03550 0.00350
Si1 0.02350 0.01070 0.02040 0.00070 0.00930 0.00170
Si2 0.02220 0.01030 0.02170 -0.00070 0.00950 -0.00030
O-H1 0.01900 0.03100 0.01300 0.00100 0.00200 0.00200
O2 0.02400 0.02800 0.03100 -0.00300 0.01100 -0.00100
O3 0.02900 0.02800 0.03400 0.00000 0.01700 0.00100
O4 0.02600 0.02700 0.02800 0.00100 0.01500 0.00000
O5 0.02700 0.02900 0.03300 0.01000 0.01700 0.01400
O6 0.03700 0.01700 0.05100 0.00000 0.02700 0.00000
O7 0.04200 0.02700 0.02100 0.00200 0.01100 0.00100
O8 0.03400 0.01900 0.04200 0.00000 0.01800 0.00000
Wat 0.14000 0.18000 0.03800 0.00000 0.03900 0.00000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
6.96 Å	(100)
3.22 Å	(90)
4.94 Å	(80)
3.10 Å	(80)
2.510 Å	(40)
6.40 Å	(20)
1.431 Å	(20)
3.90 Å	(10)

Locality:

Gjerdingselva, Lunner, Akershus, Norway

Reference:

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 4b: Highly evolved igneous rocks	>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of Gjerdingenite-MnHide

Type Locality:

ⓘ Gjerdingselva, Lunner, Akershus, Norway

General Appearance of Type Material:

Rod-like crystals and groups.

Place of Conservation of Type Material:

Freiberg University, Freiberg, Germany. Inventory number 80250.

Geological Setting of Type Material:

In miarolitic cavities in a permian sodic granite (ekerite).

Associated Minerals at Type Locality:

Aegirine	Albite	Elpidite	Gjerdingenite-Fe	Hydrokenoralstonite
Janhaugite	Kupletskite	Monazite-(Ce)	Orthoclase	Pyrochlore Group
Quartz

Reference:

Synonyms of Gjerdingenite-MnHide

IMA2003-015

Other Language Names for Gjerdingenite-MnHide

Dutch:Gjerdingeniet-Mn

German:Gjerdingenit-Mn

Russian:Гьердингенит-Mn

Simplified Chinese:锰耶尔丁根石

Traditional Chinese:錳耶爾丁根石

Relationship of Gjerdingenite-Mn to other SpeciesHide

Member of:

Kuzmenkoite Group > Labuntsovite Supergroup

Other Members of Kuzmenkoite Group:

Burovaite-Ca	(Na,K)₄Ca₂(Ti,Nb)₈(Si₄O₁₂)₄(OH,O)₈ · 12H₂O	Mon. 2/m : B2/m
Gjerdingenite-Ca	K₂Ca(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄ · 6H₂O	Mon. 2/m : B2/m
Gjerdingenite-Fe	K₂Fe²⁺(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄ · 6H₂O	Mon. 2/m : B2/m
Gjerdingenite-Na	K₂Na(Nb,Ti)₄(Si₄O₁₂)₂(OH,O)₄ · 5H₂O	Mon. 2/m : B2/m
Karupmøllerite-Ca	(Na,Ca,K)₂Ca(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄ · 7H₂O	Mon. 2/m : B2/m
Kuzmenkoite-Mn	K₂Mn²⁺(Ti,Nb)₄(Si₄O₁₂)₂(OH,O)₄ · 5-6H₂O	Mon. 2/m : B2/m
Kuzmenkoite-Zn	K₂Zn(Ti,Nb)₄(Si₄O₁₂)₂(OH,O)₄ · 6-8H₂O	Mon. m : Bm
Lepkhenelmite-Zn	(Ba,K)₂Zn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄ · 7H₂O	Mon. m : Bm

Common AssociatesHide

Associations Based on Photo Data:

1 photo of Gjerdingenite-Mn associated with Gjerdingenite-Fe

K₂Fe²⁺(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄ · 6H₂O

Related Minerals - Strunz-mindat Grouping Hide

9.CE.	Dutkevichite-(Ce)	NaZnBa₂Ce₂Ti₂Si₈O₂₆F · H₂O	Orth. mm2 : Ama2
9.CE.	Katanite	Ba₃NbFe₃Si₂O₁₄	Trig. 32 : P321
9.CE.	Niobobaotite	Ba₄(Ti_2.5Fe²⁺_1.5)Nb₄Si₄O₂₈Cl	Tet. 4/m : I4₁/a
9.CE.	Amaterasuite	Sr₄Ti₆Si₄O₂₃(OH)Cl	Orth. mmm(2/m2/m2/m) : Fddd
9.CE.	Steiningerite	Ba₂Zr₂(Si₄O₁₂)O₂	Tet. 4/mmm(4/m2/m2/m) : P4/mbm
9.CE.05	Papagoite	CaCu[H₃AlSi₂O₉]	Mon. 2/m : B2/m
9.CE.10	Verplanckite	Ba₄Mn²⁺₂Si₄O₁₂(OH,H₂O)₃Cl₃	Hex. 6/mmm(6/m2/m2/m) : P6/mmm
9.CE.15	Baotite	Ba₄(Ti,Nb,W)₈O₁₆(SiO₃)₄Cl	Tet. 4/m : I4₁/a
9.CE.20	Nagashimalite	Ba₄(V,Ti)₄B₂Si₈O₂₇(O,OH)₂Cl	Orth. mmm(2/m2/m2/m) : Pmmn
9.CE.20	Taramellite	Ba₄(Fe³⁺,Ti,Fe²⁺,Mg)₄(B₂Si₈O₂₇)O₂Cl_x	Orth. mmm(2/m2/m2/m) : Pmmn
9.CE.20	Titantaramellite	Ba₄(Ti,Fe³⁺,Fe²⁺,Mg)₄(B₂Si₈O₂₇)O₂Cl_x	Orth. mmm(2/m2/m2/m)
9.CE.25	Bario-orthojoaquinite	(Ba,Sr)₄Fe₂Ti₂[Si₄O₁₂]₂O₂ · H₂O	Orth.
9.CE.25	Byelorussite-(Ce)	NaBa₂Ce₂MnTi₂[Si₄O₁₂]₂O₂(F,OH) · H₂O	Orth. mm2 : Ama2
9.CE.25	Joaquinite-(Ce)	NaBa₂Ce₂FeTi₂[Si₄O₁₂]₂O₂(OH,F) · H₂O	Mon. 2 : B2
9.CE.25	Orthojoaquinite-(La)	NaBa₂La₂Fe²⁺Ti₂[Si₄O₁₂]₂O₂(O,OH) · H₂O	Orth. mmm(2/m2/m2/m)
9.CE.25	Strontiojoaquinite	Sr₂Ba₂(Na,Fe)₂Ti₂[Si₄O₁₂]₂O₂(O,OH)₂ · H₂O	Mon.
9.CE.25	Orthojoaquinite-(Ce)	NaBa₂Ce₂FeTi₂[Si₄O₁₂]₂O₂(O,OH) · H₂O	Orth.
9.CE.25	Strontio-orthojoaquinite	(Na,Fe)₂Sr₂Ba₂Ti₂[Si₄O₁₂]₂O₂(O,OH)₂ · H₂O	Orth.
9.CE.30e	Labuntsovite-Mn	Na₄K₄(Ba,K)₂Mn²⁺(Ti,Nb)₈(Si₄O₁₂)₄(O,OH)₈ · 10-12H₂O	Mon. 2/m : B2/m
9.CE.30b	Tsepinite-Na	Na₂(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂ · 3H₂O	Mon. m : Bm
9.CE.30c	Gjerdingenite-Na	K₂Na(Nb,Ti)₄(Si₄O₁₂)₂(OH,O)₄ · 5H₂O	Mon. 2/m : B2/m
9.CE.30h	Alsakharovite-Zn	NaSrKZn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄ · 7H₂O	Mon. m : Bm
9.CE.30c	Burovaite-Ca	(Na,K)₄Ca₂(Ti,Nb)₈(Si₄O₁₂)₄(OH,O)₈ · 12H₂O	Mon. 2/m : B2/m
9.CE.30a	Nenadkevichite	(Na,◻)₈Nb₄(Si₄O₁₂)₂(O,OH)₄ · 8H₂O	Orth. mmm(2/m2/m2/m) : Pbam
9.CE.30b	Tsepinite-Sr	Sr(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂ · 3H₂O	Mon. m : Bm
9.CE.30b	Paratsepinite-Na	(Na,Sr,K,Ca)₇(Ti,Nb)₈(Si₄O₁₂)₄(O,OH)₈ · nH₂O n ~ 8	Mon. 2/m : B2/m
9.CE.30d	Lemmleinite-K	K₂(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂ · 4H₂O	Orth.
9.CE.30c	Karupmøllerite-Ca	(Na,Ca,K)₂Ca(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄ · 7H₂O	Mon. 2/m : B2/m
9.CE.30c	Lepkhenelmite-Zn	(Ba,K)₂Zn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄ · 7H₂O	Mon. m : Bm
9.CE.30h	Gutkovaite-Mn	K₂CaMn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄ · 5H₂O	Mon. m : Bm
9.CE.30e	Labuntsovite-Mg	Na₄K₄(Ba,K)₂Mg(Ti,Nb)₈(Si₄O₁₂)₄(O,OH)₈ · 10H₂O	Mon. 2/m : B2/m
9.CE.30e	Labuntsovite-Fe	Na₄K₄(Ba,K)₂Fe²⁺(Ti,Nb)₈(Si₄O₁₂)₄(O,OH)₈ · 10H₂O	Mon. 2/m : B2/m
9.CE.30c	Kuzmenkoite-Zn	K₂Zn(Ti,Nb)₄(Si₄O₁₂)₂(OH,O)₄ · 6-8H₂O	Mon. m : Bm
9.CE.30f	Paralabuntsovite-Mg	Na₈K₈Mg₄Ti₁₆(Si₄O₁₂)₈(OH,O)₁₆ · 20-24H₂O	Mon. 2/m : B2/m
9.CE.30d	Lemmleinite-Ba	Na₂K₂Ba(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄ · 5H₂O	Mon. 2/m : B2/m
9.CE.30g	Organovaite-Mn	K₂Mn(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄ · 5-7H₂O	Mon. 2/m : B2/m
9.CE.30g	Organovaite-Zn	K₂Zn(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄ · 6H₂O	Mon. 2/m : B2/m
9.CE.30b	Vuoriyarvite-K	K₂(Nb,Ti)₂(Si₄O₁₂)(O,OH)₂ · 4H₂O	Mon. m : Bm
9.CE.30c	Gjerdingenite-Fe	K₂Fe²⁺(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄ · 6H₂O	Mon. 2/m : B2/m
9.CE.30a	'Unnamed (Ca-Na-ordered analogue of Korobitsynite)'	(Ca,Na)₂(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂ · 3-4H₂O	Orth. 222 : P2₁2₁2
9.CE.30g	Parakuzmenkoite-Fe	(K,Ba)₄Fe(Ti,Nb)₈(Si₄O₁₂)₄(O,OH)₈ · 14H₂O	Mon. 2/m : B2/m
9.CE.30a	Korobitsynite	(Na,◻)₄Ti₂(Si₄O₁₂)(O,OH)₂ · 4H₂O	Orth. mmm(2/m2/m2/m) : Pbam
9.CE.30c	Kuzmenkoite-Mn	K₂Mn²⁺(Ti,Nb)₄(Si₄O₁₂)₂(OH,O)₄ · 5-6H₂O	Mon. 2/m : B2/m
9.CE.30b	Tsepinite-K	K₂(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂ · 3H₂O	Mon. m : Bm
9.CE.30b	Paratsepinite-Ba	Ba₄(Ti,Nb)₈(Si₄O₁₂)₄(OH,O)₈ · 8H₂O	Mon. 2/m : B2/m
9.CE.30h	Neskevaaraite-Fe	K₃Na₂Fe²⁺(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄ · 5-6 H₂O	Mon. m : Bm
9.CE.30c	Gjerdingenite-Ca	K₂Ca(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄ · 6H₂O	Mon. 2/m : B2/m
9.CE.30b	Tsepinite-Ca	(Ca,K,Na)_2-x(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂ · 4H₂O	Mon. 2/m : B2/m
9.CE.45	'Natrokomarovite'	(Na,Ca,H)₂Nb₂Si₂O₁₀(OH,F)₂ · H₂O	Orth.
9.CE.45	Komarovite	(Ca,Mn)(Nb,Ti)₂[Si₂O₇](O,F)₃ · 3.5H₂O	Orth. mmm(2/m2/m2/m) : Cmmm

RadioactivityHide

Radioactivity:

Element	% Content	Activity (Bq/kg)	Radiation Type
Uranium (U)	0.0000%	0	α, β, γ
Thorium (Th)	0.0000%	0	α, β, γ
Potassium (K)	6.0829%	1,886	β, γ

For comparison:

Banana: ~15 Bq per fruit
Granite: 1,000–3,000 Bq/kg
EU exemption limit: 10,000 Bq/kg

Note: Risk is shown relative to daily recommended maximum exposure to non-background radiation of 1000 µSv/year. Note that natural background radiation averages around 2400 µSv/year so in reality these risks are probably extremely overstated! With infrequent handling and safe storage natural radioactive minerals do not usually pose much risk.

Interactive Simulator:

Note: The mass selector refers to the mass of radioactive mineral present, not the full specimen, also be aware that the matrix may also be radioactive, possibly more radioactive than this mineral!

Mass of radioactive mineral:

Shielding material:

Activity: –

Distance	Dose rate	Risk
1 cm
10 cm
1 m

The external dose rate (D) from a radioactive mineral is estimated by summing the gamma radiation contributions from its Uranium, Thorium, and Potassium content, disregarding daughter-product which may have a significant effect in some cases (eg 'pitchblende'). This involves multiplying the activity (A, in Bq) of each element by its specific gamma ray constant (Γ), which accounts for its unique gamma emissions. The total unshielded dose at 1 cm is then scaled by the square of the distance (r, in cm) and multiplied by a shielding factor (μ_shield). This calculation provides a 'worst-case' or 'maximum risk' estimate because it assumes the sample is a point source and entirely neglects any self-shielding where radiation is absorbed within the mineral itself, meaning actual doses will typically be lower. The resulting dose rate (D) is expressed in microsieverts per hour (μSv/h).

D = ((A_U × Γ_U) + (A_Th × Γ_Th) + (A_K × Γ_K)) / r² × μ_shield

Fluorescence of Gjerdingenite-MnHide

In UV light:

None

Other InformationHide

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 Gjerdingenite-MnHide

mindat.org URL:

https://www.mindat.org/min-26442.html
Please feel free to link to this page.

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References for Gjerdingenite-MnHide

Reference List:

Piilonen, P. C. (2005) New mineral names. American Mineralogist, 90 (7) 1227-1232 doi:10.2138/am.2005.445

(2014) Gjerdingenite-Mn. Handbook of Mineralogy. Mineralogical Society of America

Localities for Gjerdingenite-MnHide

Showing 2 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

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Locality ListHide

- 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.


Norway (TL)
Akershus Lunner ⓘ Gjerdingselva (TL)	Raade et al. (2004)

USA
Virginia Augusta County West Augusta ⓘ Stoutameyer Branch (Stotameyer Creek)	Robin D. Tibbit (deceased)

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Gjerdingenite-Mn

About Gjerdingenite-MnHide

Unique IdentifiersHide

IMA Classification of Gjerdingenite-MnHide