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Adamsite-(Y)

A valid IMA mineral species

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Adamsite-(Y)

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Adamsite-(Y)

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Adamsite-(Y)

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Adamsite-(Y)

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Adamsite-(Y)

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Adamsite-(Y)

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Adamsite-(Y)

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

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About Adamsite-(Y)Hide

Frank Dawson Adams

Formula:

NaY[CO₃]₂ · 6H₂O

Colour:

Colourless, white, pale pink, pale purple.

Lustre:

Pearly

Hardness:

Specific Gravity:

2.27

Crystal System:

Triclinic

Name:

Named in honor of Professor Frank Dawson Adams (1859–1942), McGill University, Montreal, Canada, geologist and petrologist, who studied the Monteregian Hills, one of which is Mont Saint-Hilaire. The suffix/modifier indicates that the predominant essential REE is yttirum.

Type Locality:

ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Chemically similar to shomiokite-(Y), lecoqite-(Y), and horváthite-(Y); also to thomasclarkite-(Y) (bicarbonate).

The structure is layered; one carbonate group is perpendicular, and the other parallel to the layering. In the crystal structure there are NaYCO₃ groups separated by layers of H₂O. The neighbouring water layers have only H-bond linkage, which results in perfect cleavage (Grice et al., 2000).

Unique IdentifiersHide

Mindat ID:

7088

Long-form identifier:

mindat:1:1:7088:7

Similar NamesHide

Adamite	A valid IMA mineral species - grandfathered	Zn₂(AsO₄)(OH)
Adamsite	A variety of Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Atomsite	A synonym of 'Trinitite'

IMA Classification of Adamsite-(Y)Hide

IMA status:

Approved

IMA Formula:

NaY(CO₃)₂·6H₂O

Approval year:

1999

First published:

2000

Classification of Adamsite-(Y)Hide

Strunz-mindat (2026):

5.CC.30

5 : CARBONATES (NITRATES)
C : Carbonates without additional anions, with H₂O
C : With rare earth elements (REE)

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
Ads-Y	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of Adamsite-(Y)Hide

Pronunciation:

Play	Recorded by	Country
	Jolyon Ralph	United Kingdom

Physical Properties of Adamsite-(Y)Hide

Lustre:

Pearly

Transparency:

Transparent, Translucent

Colour:

Colourless, white, pale pink, pale purple.

Streak:

White

Hardness:

3 on Mohs scale

Tenacity:

Brittle

Cleavage:

Perfect
Perfect on {001}; good on {100}, {010}.

Density:

2.27(2) g/cm³ (Measured) 2.27 g/cm³ (Calculated)

Optical Data of Adamsite-(Y)Hide

Type:

Biaxial (+)

RI values:

n_α = 1.48 n_β = 1.498 n_γ = 1.571

Max. Birefringence:

δ = 0.091
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.

Thickness: 30 µm

Rotation:

Surface Relief:

Moderate

Dispersion:

none

Optical Extinction:

Y = b; Z ∧ a = 14°.

Chemistry of Adamsite-(Y)Hide

Mindat Formula:

NaY[CO₃]₂ · 6H₂O

Element Weights:

Element	% weight
O	56.468 %
Y	26.148 %
C	7.065 %
Na	6.762 %
H	3.557 %

Calculated from ideal end-member formula.

Elements listed:

C, H, Na, O, Y - search for minerals with similar chemistry

Common Impurities:

Gd,Nd,Yb,Sm,Ho

Crystallography of Adamsite-(Y)Hide

Crystal System:

Triclinic

Class (H-M):

1 - Pedial

Space Group:

Setting:

Cell Parameters:

a = 6.2592 Å, b = 13.0838 Å, c = 13.227 Å
α = 91.130°, β = 103.554°, γ = 90.188°

Ratio:

a:b:c = 0.478 : 1 : 1.011

Unit Cell V:

1049.1 Å³

Morphology:

Flat, acicular to fibrous crystals, up to 2.5 cm in length. Forming spherical groups of radiating crystals, more rarely reticulated groups. Elongated on [100] and flat on [001]. Forms observed are the pedions {010}, {010}, {001}, {001}, {100} and {100}.

Twinning:

By reflection on {001}, common.

Crystal StructureHide

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

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

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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)
0005703	Adamsite-(Y)	Grice J D, Gault R A, Roberts A C, Cooper M A (2000) Adamsite-(Y), a new sodium-yttrium carbonate mineral species from The Canadian Mineralogist 38 1457-1466		2000	Mont Saint-Hilaire, Quebec, Canada	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Adamsite-(Y)'
loop_
_publ_author_name
'Grice J D'
'Gault R A'
'Roberts A C'
'Cooper M A'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 38 
_journal_year 2000
_journal_page_first 1457
_journal_page_last 1466
_publ_section_title
;
 Adamsite-(Y), a new sodium-yttrium carbonate mineral species from
 Note: O8 y-coordinate altered
;
_database_code_amcsd 0005703
_chemical_compound_source 'Mont Saint-Hilaire, Quebec, Canada'
_chemical_formula_sum 'Y.72 Dy.06 Er.05 Gd.04 Nd.03 Yb.02 Sm.02 Ho.02 Ce.01 Tb.01 Tm.01 Na C2 O12 H12'
_cell_length_a 6.2592
_cell_length_b 13.0838
_cell_length_c 13.2271
_cell_angle_alpha 91.130
_cell_angle_beta 103.554
_cell_angle_gamma 90.188
_cell_volume 1052.814
_exptl_crystal_density_diffrn      2.260
_symmetry_space_group_name_H-M 'P -1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-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
Y1   0.31140   0.62581   0.00962   0.72000   0.01560
Dy1   0.31140   0.62581   0.00962   0.06000   0.01560
Er1   0.31140   0.62581   0.00962   0.05000   0.01560
Gd1   0.31140   0.62581   0.00962   0.04000   0.01560
Nd1   0.31140   0.62581   0.00962   0.03000   0.01560
Yb1   0.31140   0.62581   0.00962   0.02000   0.01560
Sm1   0.31140   0.62581   0.00962   0.02000   0.01560
Ho1   0.31140   0.62581   0.00962   0.02000   0.01560
Ce1   0.31140   0.62581   0.00962   0.01000   0.01560
Tb1   0.31140   0.62581   0.00962   0.01000   0.01560
Tm1   0.31140   0.62581   0.00962   0.01000   0.01560
Y2   0.80160   0.87428  -0.01011   0.72000   0.01610
Dy2   0.80160   0.87428  -0.01011   0.06000   0.01610
Er2   0.80160   0.87428  -0.01011   0.05000   0.01610
Gd2   0.80160   0.87428  -0.01011   0.04000   0.01610
Nd2   0.80160   0.87428  -0.01011   0.03000   0.01610
Yb2   0.80160   0.87428  -0.01011   0.02000   0.01610
Sm2   0.80160   0.87428  -0.01011   0.02000   0.01610
Ho2   0.80160   0.87428  -0.01011   0.02000   0.01610
Ce2   0.80160   0.87428  -0.01011   0.01000   0.01610
Tb2   0.80160   0.87428  -0.01011   0.01000   0.01610
Tm2   0.80160   0.87428  -0.01011   0.01000   0.01610
Na1   0.42320   0.62510   0.32430   1.00000   0.03600
Na2   0.60220   0.87530  -0.32310   1.00000   0.03330
C1   0.24000   0.87300  -0.04920   1.00000   0.01730
C2   0.87200   0.87380   0.20920   1.00000   0.02310
C3  -0.21100   0.62690   0.04660   1.00000   0.01950
C4   0.16900   0.62620  -0.21150   1.00000   0.02490
O1   0.15130   0.78900  -0.03310   1.00000   0.02290
O2   0.12170   0.95320  -0.04960   1.00000   0.02340
O3   0.43500   0.87940  -0.06220   1.00000   0.27410
O4   0.02960   0.86040   0.16080   1.00000   0.02060
O5   0.67710   0.88860   0.15160   1.00000   0.02560
O6   0.90900   0.87110   0.30790   1.00000   0.03300
O7   0.33250   0.45310  -0.05060   1.00000   0.02220
O8   0.68270   0.71130   0.03320   1.00000   0.02200
O9  -0.00490   0.62040   0.06120   1.00000   0.02700
O10   0.03000   0.61140  -0.15240   1.00000   0.02540
O11   0.37320   0.63950  -0.16020   1.00000   0.02200
O12   0.11100   0.62780  -0.31040   1.00000   0.03300
Wat13   0.67360   0.98510  -0.16620   1.00000   0.02610
Wat14   0.71680   0.76570  -0.17140   1.00000   0.02240
Wat15   0.33800   0.51530   0.16560   1.00000   0.02810
Wat16   0.38660   0.73400   0.17140   1.00000   0.02450
Wat17   0.77800   0.55490   0.40060   1.00000   0.03740
Wat18   0.60500   0.79280   0.41100   1.00000   0.04040
Wat19   0.41200   0.71260  -0.40580   1.00000   0.03900
Wat20   0.89800   0.81020  -0.39010   1.00000   0.04060
Wat21   0.23800   0.94810  -0.39080   1.00000   0.03820
Wat22   0.12400   0.69020   0.38760   1.00000   0.04040
Wat23   0.70400   0.54370   0.60080   1.00000   0.04180
Wat24   0.69800   0.04110  -0.40790   1.00000   0.03710
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
Y1 0.01140 0.01510 0.02070 0.00050 0.00440 0.00000
Dy1 0.01140 0.01510 0.02070 0.00050 0.00440 0.00000
Er1 0.01140 0.01510 0.02070 0.00050 0.00440 0.00000
Gd1 0.01140 0.01510 0.02070 0.00050 0.00440 0.00000
Nd1 0.01140 0.01510 0.02070 0.00050 0.00440 0.00000
Yb1 0.01140 0.01510 0.02070 0.00050 0.00440 0.00000
Sm1 0.01140 0.01510 0.02070 0.00050 0.00440 0.00000
Ho1 0.01140 0.01510 0.02070 0.00050 0.00440 0.00000
Ce1 0.01140 0.01510 0.02070 0.00050 0.00440 0.00000
Tb1 0.01140 0.01510 0.02070 0.00050 0.00440 0.00000
Tm1 0.01140 0.01510 0.02070 0.00050 0.00440 0.00000
Y2 0.01270 0.01530 0.02130 -0.00090 0.00600 0.00000
Dy2 0.01270 0.01530 0.02130 -0.00090 0.00600 0.00000
Er2 0.01270 0.01530 0.02130 -0.00090 0.00600 0.00000
Gd2 0.01270 0.01530 0.02130 -0.00090 0.00600 0.00000
Nd2 0.01270 0.01530 0.02130 -0.00090 0.00600 0.00000
Yb2 0.01270 0.01530 0.02130 -0.00090 0.00600 0.00000
Sm2 0.01270 0.01530 0.02130 -0.00090 0.00600 0.00000
Ho2 0.01270 0.01530 0.02130 -0.00090 0.00600 0.00000
Ce2 0.01270 0.01530 0.02130 -0.00090 0.00600 0.00000
Tb2 0.01270 0.01530 0.02130 -0.00090 0.00600 0.00000
Tm2 0.01270 0.01530 0.02130 -0.00090 0.00600 0.00000
Na1 0.03120 0.03950 0.03760 0.00360 0.00860 0.00110
Na2 0.03270 0.03600 0.03140 0.00160 0.00840 -0.00100
C1 0.01700 0.01790 0.01570 -0.00180 0.00120 -0.00070
C2 0.02690 0.01650 0.02980 -0.00160 0.01460 -0.00040
C3 0.02820 0.01680 0.01540 0.00220 0.00870 -0.00220
C4 0.02920 0.01380 0.03030 0.00030 0.00420 -0.00160
O1 0.02650 0.01820 0.02540 -0.00170 0.00920 0.00040
O2 0.02280 0.01590 0.03280 0.00420 0.00920 -0.00090
O3 0.01620 0.03260 0.03290 0.00170 0.00450 0.00380
O4 0.01490 0.02570 0.02250 0.00000 0.00710 -0.00260
O5 0.01520 0.02790 0.03360 0.00030 0.00530 -0.00050
O6 0.03600 0.04470 0.02150 -0.00140 0.01350 -0.00070
O7 0.01360 0.01860 0.03110 -0.00320 -0.00150 0.00080
O8 0.02070 0.01910 0.02550 -0.00060 0.00440 0.00060
O9 0.01310 0.03240 0.03660 -0.00260 0.00800 -0.00350
O10 0.01710 0.02560 0.03440 -0.00130 0.00750 0.00330
O11 0.01450 0.02740 0.02140 -0.00030 -0.00150 -0.00140
O12 0.02650 0.04300 0.02540 0.00030 -0.00240 -0.00010
Wat13 0.02200 0.02590 0.02730 -0.00160 -0.00090 0.00320
Wat14 0.01950 0.02160 0.02550 0.00080 0.00390 -0.00240
Wat15 0.03010 0.02210 0.03630 0.00400 0.01610 0.00540
Wat16 0.02460 0.02380 0.02410 -0.00240 0.00350 -0.00040
Wat17 0.02460 0.04030 0.04510 0.00140 0.00350 0.00070
Wat18 0.04140 0.04310 0.03990 -0.00320 0.01580 0.00160
Wat19 0.03870 0.03990 0.04040 -0.00350 0.01310 -0.00220
Wat20 0.03280 0.04120 0.05210 0.00140 0.01840 0.00590
Wat21 0.02880 0.03820 0.04980 -0.00140 0.01390 -0.00150
Wat22 0.03100 0.04800 0.04360 -0.00140 0.01130 0.00730
Wat23 0.03040 0.04370 0.05030 -0.00220 0.00770 0.00010
Wat24 0.02790 0.04490 0.03700 -0.00420 0.00480 0.00130

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
12.81 Å	(100)
6.45 Å	(70)
4.456 Å	(60)
4.291 Å	(60)
2.571 Å	(60)
2.050 Å	(50)
2.869 Å	(30)

Comments:

Mont Saint-Hilaire, Canada.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Near-surface Processes
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)
Stage 4b: Highly evolved igneous rocks	>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of Adamsite-(Y)Hide

Type Locality:

ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

General Appearance of Type Material:

Crystals are acicular to fibrous, to 2.5 cm, elongated along [100], flattened on [001], showing {010} and {001}; in spherical radiating groups, which rarely are reticulated.

Place of Conservation of Type Material:

Canadian Museum of Nature, Ottawa, Canada, numbers 82939 and 82940.

Geological Setting of Type Material:

A rare late-stage, low-temperature hydrothermal mineral in an alkalic pegmatite dike associated with an intrusive alkalic gabbro-syenite complex.

Associated Minerals at Type Locality:

Synonyms of Adamsite-(Y)Hide

IMA1999-020

Other Language Names for Adamsite-(Y)Hide

Czech:Adamsit-(Y)

Dutch:Adamsiet-(Y)

French:Adamsite-(Y)

German:Adamsit-(Y)

Italian:Adamsite-(Y)

Latvian:Adamsīts-(Y)

Norwegian:Adamsitt-(Y)

Russian:Адамсит-(Y)

Common AssociatesHide

Associations Based on Photo Data:

21 photos of Adamsite-(Y) associated with Franconite	Na(Nb₂O₅)(OH) · 3H₂O
20 photos of Adamsite-(Y) associated with Thomasclarkite-(Y)	(Na,Ce)(Y,REE)(HCO₃)(OH)₃ · 4H₂O
16 photos of Adamsite-(Y) associated with Shomiokite-(Y)	Na₃Y[CO₃]₃ · 3H₂O
16 photos of Adamsite-(Y) associated with Rhodochrosite	MnCO₃
16 photos of Adamsite-(Y) associated with Microcline	K(AlSi₃O₈)
14 photos of Adamsite-(Y) associated with Aegirine	NaFe³⁺Si₂O₆
7 photos of Adamsite-(Y) associated with Synchysite-(Ce)	CaCe(CO₃)₂F
6 photos of Adamsite-(Y) associated with Calcite	CaCO₃
5 photos of Adamsite-(Y) associated with Quartz	SiO₂
5 photos of Adamsite-(Y) associated with Albite	Na(AlSi₃O₈)

Related Minerals - Strunz-mindat Grouping Hide

5.CC.	Bainbridgeite-(NdCe)	Na₂Ba₂NdCe(CO₃)₆ · 3H₂O	Tric. 1 : P1
5.CC.	Yuchuanite-(Y)	Y₂(CO₃)₃ · H₂O	Tric. 1 : P1
5.CC.	Alicewilsonite-(YCe)	Na₂Sr₂YCe(CO₃)₆ · 3H₂O	Tric. 1 : P1
5.CC.05	Donnayite-(Y)	NaCaSr₃Y(CO₃)₆ · 3H₂O	Tric. 1 : P1
5.CC.05	Alicewilsonite-(YLa)	Na₂Sr₂YLa(CO₃)₆ · 3H₂O	Tric. 1 : P1
5.CC.05	Mckelveyite-(Nd)	NaCaBa₃Nd(CO₃)₆ · 3H₂O	Mon. m : Bb
5.CC.05	Mckelveyite-(Y)	NaCaBa₃Y(CO₃)₆ · 3H₂O	Tric. 1 : P1
5.CC.05	Ewaldite	Ba(Na,Ca,Y,Ce,K)(CO₃)₂ · 2.6H₂O	Hex. 6mm : P6₃mc
5.CC.05	'UM1992-05-CO:CaCeLaNaSr'	(Sr,Na,Y,REE,Ca,Ba)₂(CO₃)₂ · H₂O	Trig. 3m : R3m
5.CC.05	Weloganite	Na₂Sr₃Zr(CO₃)₆ · 3H₂O	Tric. 1 : P1
5.CC.05	Mckelveyite Group	A₃B₃(CO₃)₆ · 3H₂O
5.CC.05	Bainbridgeite-(YCe)	Na₂Ba₂YCe(CO₃)₆ · 3H₂O	Tric. 1 : P1
5.CC.05	'Unnamed (MSH UK-37A)'	Sr₃NaCaY(CO₃)₆ · 3H₂O	Hex. 6mm : P6₃mc
5.CC.10	Tengerite-(Y)	Y₂(CO₃)₃ · 2-3H₂O	Orth. mmm(2/m2/m2/m) : Pnnm
5.CC.15	Lokkaite-(Y)	Ca(Y,Gd,Nd,Dy)₄(CO₃)₇ · 9H₂O	Orth.
5.CC.15	Kimuraite-(Y)	Ca(Y,Nd)₂(CO₃)₄ · 6H₂O	Orth.
5.CC.15	Hizenite-(Y)	Ca₂Y₆(CO₃)₁₁ · 14H₂O	Orth.
5.CC.20	Shomiokite-(Y)	Na₃Y[CO₃]₃ · 3H₂O	Orth. mm2
5.CC.25	Lanthanite-(Ce)	Ce₂(CO₃)₃ · 8H₂O	Orth. mmm(2/m2/m2/m)
5.CC.25	Lanthanite-(La)	La₂(CO₃)₃ · 8H₂O	Orth. mmm(2/m2/m2/m)
5.CC.25	Lanthanite-(Nd)	Nd₂(CO₃)₃ · 8H₂O	Orth. mmm(2/m2/m2/m)
5.CC.25	Calkinsite-(Ce)	(Ce,La)₂(CO₃)₃ · 4H₂O	Orth.
5.CC.35	Decrespignyite-(Y)	Cu(Y,REE)₄(CO₃)₄(OH)₅Cl · 2H₂O	Mon.
5.CC.40	Galgenbergite-(Ce)	Ca(Ce,La,Nd)₂(CO₃)₄ · H₂O	Tric. 1 : P1
5.CC.45	Lecoqite-(Y)	Na₃Y(CO₃)₃ · 6H₂O	Hex. 6 : P6₃

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 Adamsite-(Y)Hide

mindat.org URL:

https://www.mindat.org/min-7088.html
Please feel free to link to this page.

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for Adamsite-(Y)Hide

Reference List:

Grice, J. D., Gault, R. A., Roberts, A. C., Cooper, M. A. (2000) Adamsite-(Y), a new sodium-yttrium carbonate mineral species from Mont Saint-Hilaire, Quebec. The Canadian Mineralogist, 38 (6) 1457-1466 doi:10.2113/gscanmin.38.6.1457

(2005) Adamsite-(Y). Handbook of Mineralogy. Mineralogical Society of America

Localities for Adamsite-(Y)Hide

Showing 4 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.


Canada (TL)
Québec Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH) (TL)	Grice et al. (2000)

Norway
Nordland Narvik ⓘ Hundholmen	Husdal (2008)

Russia
Murmansk Oblast Lovozersky District Alluaiv Mountain Umbozero mine ⓘ Shomiokitovoe pegmatite	Pavel M. Kartashov (n.d.)

Spain
Canary Islands Santa Cruz de Tenerife Province Tenerife ⓘ ~~Los Blanquitos~~	Dill et al. (2023)

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Adamsite-(Y)

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