Bainbridgeite-(YCe) (original) (raw)
A valid IMA mineral species
About Bainbridgeite-(YCe)Hide
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Formula:
Na2Ba2YCe(CO3)6 · 3H2O
Colour:
pale yellow to yellow, orange-yellow, orange, grey to almost black, bluish grey, green-grey, green, or even white
Specific Gravity:
3.49 (Calculated)
Name:
Named in honour of Michael Bainbridge(born 1974), mineral photographer and collector, Canadian Museum of Nature collections staff from Ontario, Canada.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:55253:6
d7bc38f7-6bc2-4925-8dee-7671e42a84db
IMA Classification of Bainbridgeite-(YCe)Hide
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Type description reference:
Lykova, I., Rowe, R., Poirier, G., Friis, H., Helwig, K. (2024) Mckelveyite group minerals – Part 3: Bainbridgeite-(YCe), Na₂Ba₂YCe(CO₃)₆\,\cdot\,3H₂O, a new species from Mont Saint-Hilaire, Canada. European Journal of Mineralogy, 36 (1) 183-194 doi:10.5194/ejm-36-183-2024
Classification of Bainbridgeite-(YCe)Hide
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5.CC.05
5 : CARBONATES (NITRATES)
C : Carbonates without additional anions, with H2O
C : With rare earth elements (REE)
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Bbg | 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 Bainbridgeite-(YCe)Hide
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Colour:
Pale yellow to yellow, orange-yellow, orange, grey to almost black, bluish grey, green-grey, green, or even white
Comment:
Grey and black colours are most common
Fracture:
Irregular/Uneven
Density:
3.49 g/cm3 (Calculated)
Optical Data of Bainbridgeite-(YCe)Hide
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RI values:
_n_α = 1.572(2) _n_β = 1.586(2) _n_γ = 1.628(2)
2V:
Measured: 48° (4), Calculated: 62°
δ = 0.056
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of Bainbridgeite-(YCe)Hide
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Mindat Formula:
Na2Ba2YCe(CO3)6 · 3H2O
Crystallography of Bainbridgeite-(YCe)Hide
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Cell Parameters:
a = 9.0874(4) Å, b = 9.0877(4) Å, c = 6.8826(3) Å
α = 102.912(4)°, β = 116.208(4)°, γ = 60.322(4)°
Ratio:
a:b:c = 1 : 1 : 0.757
Unit Cell V:
443.05 ų (Calculated from Unit Cell)
Epitaxial Relationships of Bainbridgeite-(YCe)Hide
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X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.22 Å | (4) |
| 4.43 Å | (100) |
| 4.09 Å | (37) |
| 3.263 Å | (26) |
| 2.888 Å | (67) |
| 2.633 Å | (38) |
| 2.263 Å | (23) |
| 2.010 Å | (20) |
Comments:
From Type Description.
Type Occurrence of Bainbridgeite-(YCe)Hide
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General Appearance of Type Material:
crystals are hemimorphic pseudotrigonal and pseudohexagonal and show a wide range of habits, including platy, columnar, tabular, cone-shaped, barrel-shaped, saucer-shaped, and spindle-shaped (Fig. 1). The crystal faces are often curved, split, and/or stepped. They commonly form stacked or parallel growth aggregates, rosettes, and groups of radiating crystals. The crystals are usually less than 1 mm in size with some reaching 1.5–2 mm. Aggregates can reach 3 mm in size.
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Canadian Museum of Nature, 240 McLeod Street, Ottawa, Ontario, Canada, catalogue number CMNMC 46324
Geological Setting of Type Material:
late-stage mineral found in hydrothermally altered alkaline pegmatites, miarolitic cavities in nepheline and sodalite syenite, and marble xenoliths at the Poudrette (Demix) quarry
Associated Minerals at Type Locality:
Synonyms of Bainbridgeite-(YCe)Hide
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Relationship of Bainbridgeite-(YCe) to other SpeciesHide
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Other Members of this group:
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 5.CC. | Alicewilsonite-(YCe) | Na2Sr2YCe(CO3)6 · 3H2O | Tric. 1 : _P_1 |
|---|---|---|---|
| 5.CC. | Yuchuanite-(Y) | Y2(CO3)3 · H2O | Tric. 1 : _P_1 |
| 5.CC. | Bainbridgeite-(NdCe) | Na2Ba2NdCe(CO3)6 · 3H2O | Tric. 1 : _P_1 |
| 5.CC.05 | Donnayite-(Y) | NaCaSr3Y(CO3)6 · 3H2O | Tric. 1 : _P_1 |
| 5.CC.05 | Ewaldite | Ba(Na,Ca,Y,Ce,K)(CO3)2 · 2.6H2O | Hex. 6_m_ m : P_63_m c |
| 5.CC.05 | Mckelveyite-(Nd) | NaCaBa3Nd(CO3)6 · 3H2O | Mon. m : B b |
| 5.CC.05 | Mckelveyite-(Y) | NaCaBa3Y(CO3)6 · 3H2O | Tric. 1 : _P_1 |
| 5.CC.05 | Weloganite | Na2Sr3Zr(CO3)6 · 3H2O | Tric. 1 : _P_1 |
| 5.CC.05 | Unnamed (MSH UK-37A) | Sr3NaCaY(CO3)6 · 3H2O | Hex. 6_m_ m : P_63_m c |
| 5.CC.05 | UM1992-05-CO:CaCeLaNaSr | (Sr,Na,Y,REE,Ca,Ba)2(CO3)2 · H2O | Trig. 3_m_ : R_3_m |
| 5.CC.05 | Mckelveyite Group | A3B3(CO3)6 · 3H2O | |
| 5.CC.05 | Alicewilsonite-(YLa) | Na2Sr2YLa(CO3)6 · 3H2O | Tric. 1 : _P_1 |
| 5.CC.10 | Tengerite-(Y) | Y2(CO3)3 · 2-3H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
| 5.CC.15 | Kimuraite-(Y) | Ca(Y,Nd)2(CO3)4 · 6H2O | Orth. |
| 5.CC.15 | Lokkaite-(Y) | Ca(Y,Gd,Nd,Dy)4(CO3)7 · 9H2O | Orth. |
| 5.CC.15 | Hizenite-(Y) | Ca2Y6(CO3)11 · 14H2O | Orth. |
| 5.CC.20 | Shomiokite-(Y) | Na3Y[CO3]3 · 3H2O | Orth. m _m_2 |
| 5.CC.25 | Calkinsite-(Ce) | (Ce,La)2(CO3)3 · 4H2O | Orth. |
| 5.CC.25 | Lanthanite-(Ce) | (Ce,La,Nd)2(CO3)3 · 8H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.CC.25 | Lanthanite-(La) | (La,Ce)2(CO3)3 · 8H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.CC.25 | Lanthanite-(Nd) | (Nd,La)2(CO3)3 · 8H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.CC.30 | Adamsite-(Y) | NaY[CO3]2 · 6H2O | Tric. 1 : _P_1 |
| 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 : _P_1 |
| 5.CC.45 | Lecoqite-(Y) | Na3Y(CO3)3 · 6H2O | Hex. 6 : _P_63 |
Fluorescence of Bainbridgeite-(YCe)Hide
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The mineral is non-fluorescent under ultraviolet light.
Other InformationHide
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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 Bainbridgeite-(YCe)Hide
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References for Bainbridgeite-(YCe)Hide
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Reference List:
Lykova, I., Rowe, R., Poirier, G., Friis, H., Helwig, K. (2024) Mckelveyite group minerals – Part 3: Bainbridgeite-(YCe), Na₂Ba₂YCe(CO₃)₆\,\cdot\,3H₂O, a new species from Mont Saint-Hilaire, Canada. European Journal of Mineralogy, 36 (1) 183-194 doi:10.5194/ejm-36-183-2024
Localities for Bainbridgeite-(YCe)Hide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- 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) |
Miyawaki et al. (2020) +1 other reference |