Cappelenite-(Y)
A valid IMA mineral species - grandfathered
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About Cappelenite-(Y)
Diderik Cappelen
Formula:
Ba(Y,Ce)6Si3B6O24F2
Colour:
greenish-brown
Lustre:
Greasy
Hardness:
6 - 6½
Specific Gravity:
4.407
Crystal System:
Trigonal
Name:
Named by W. Brögger in 1884 in honor of Diderik Cappelen (21 July 1856, Furustul i Holla (now Nome), Telemark, Norway - 7 May 1935, Oslo, Norway), an ironwork owner, chamberlain, and mineralogist from Ulefoss who found the mineral. The suffix was added in 1987 to denote the dominant rare-earth-element.
This page provides mineralogical data about Cappelenite-(Y).
Unique Identifiers
Mindat ID:
889
Long-form identifier:
mindat:1:1:889:5
IMA Classification of Cappelenite-(Y)
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
BaY6B6Si3O24F2
First published:
1884
Classification of Cappelenite-(Y)
9.AJ.30
9 : SILICATES (Germanates)
A : Nesosilicates
J : Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, cornersharing with SiO4
9 : SILICATES (Germanates)
A : Nesosilicates
J : Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, cornersharing with SiO4
54.2.3.1
54 : NESOSILICATES Borosilicates and Some Beryllosilicates
2 : Borosilicates and Some Beryllosilicates with B in [4] coordination
54 : NESOSILICATES Borosilicates and Some Beryllosilicates
2 : Borosilicates and Some Beryllosilicates with B in [4] coordination
17.5.24
17 : Silicates Containing other Anions
5 : Borosilicates
17 : Silicates Containing other Anions
5 : Borosilicates
Mineral Symbols
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 |
|---|---|---|
| Cpp-Y | 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 Cappelenite-(Y)
Greasy
Transparency:
Translucent
Comment:
weakly greasy on fractures
Colour:
Greenish-brown
Hardness:
6 - 6½ on Mohs scale
Tenacity:
Brittle
Fracture:
Conchoidal
Density:
4.407 g/cm3 (Measured) 4.43 g/cm3 (Calculated)
Optical Data of Cappelenite-(Y)
Type:
Uniaxial
Chemistry of Cappelenite-(Y)
Mindat Formula:
Ba(Y,Ce)6Si3B6O24F2
Element Weights:
Crystallography of Cappelenite-(Y)
Crystal System:
Trigonal
Class (H-M):
3 - Pyramidal
Space Group:
P3
Cell Parameters:
a = 10.67 Å, c = 4.68 Å
Ratio:
a:c = 1 : 0.439
Unit Cell V:
461.429 ų
Z:
1
Comment:
metamict, reconstituted by heating at 725 degrees
Crystal Structure
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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) |
|---|---|---|---|---|---|---|---|
| 0000935 | Cappelenite-(Y) | Shen J, Moore P B (1984) Crystal structure of cappelenite, Ba(Y,RE)6[Si3B6O24]F2: a silicoborate sheet structure American Mineralogist 69 190-195 |  | 1984 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.7 Å | (80) |
| 3.48 Å | (90) |
| 2.797 Å | (100) |
| 1.940 Å | (90) |
| 1.770 Å | (70) |
| 1.711 Å | (70) |
| 1.656 Å | (80) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 4a: Earth’s earliest continental crust | >4.4-3.0 |
| 19 : Granitic intrusive rocks | |
| 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 Cappelenite-(Y)
Place of Conservation of Type Material:
University of Oslo, Oslo, Norway.
National Museum of Natural History, Washington, D.C., USA, 160547.
National Museum of Natural History, Washington, D.C., USA, 160547.
Other Language Names for Cappelenite-(Y)
Common Associates
Associations Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 9.AJ. | Hingganite-(Nd) | Nd2◻Be2Si2O8(OH)2 |
| 9.AJ. | Arrheniusite-(Ce) | CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 |
| 9.AJ.05 | Ominelite | (Fe2+,Mg)(Al,Fe3+)3(SiO4)(BO3)O2 |
| 9.AJ.05 | Grandidierite | (Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2 |
| 9.AJ.10 | Dumortierite | Al(Al2O)(Al2O)2(SiO4)3(BO3) |
| 9.AJ.10 | Nioboholtite | (Nb0.6◻0.4)Al6BSi3O18 |
| 9.AJ.10 | Titanoholtite | (Ti0.75◻0.25)Al6BSi3O18 |
| 9.AJ.10 | Holtite | (Ta0.6◻0.4)Al6BSi3O18(O,OH)2.25 |
| 9.AJ.10 | Magnesiodumortierite | Mg(Al2OH)(Al2O)2(SiO4)3(BO3) |
| 9.AJ.15 | Garrelsite | Ba3NaSi2B7O16(OH)4 |
| 9.AJ.20 | 'Muromontite' | near Be2FeY2Si3O12 |
| 9.AJ.20 | Gadolinite-(Nd) | Nd2Fe2+Be2O2(SiO4)2 |
| 9.AJ.20 | Datolite | CaB(SiO4)(OH) |
| 9.AJ.20 | Melanocerite-(Ce) | (Ce,Ca)5(SiO4,BO4)3(OH,O) |
| 9.AJ.20 | Gadolinite-(Ce) | (Ce,La,Nd,Y)2Fe2+Be2Si2O10 |
| 9.AJ.20 | Gadolinite-(Y) | Y2Fe2+Be2Si2O10 |
| 9.AJ.20 | 'Unnamed (OH-analogue of Gadolinite-(Y))' | (Y,Ca)2(Fe,◻)Be2Si2O8(OH,O)2 |
| 9.AJ.20 | Hingganite-(Ce) | (Ce,REE)2(◻,Fe2+)Be2[SiO4]2(OH)2 |
| 9.AJ.20 | Hingganite-(Y) | (Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2 |
| 9.AJ.20 | Hingganite-(Yb) | (Yb,Y,REE)2◻Be2[SiO4]2(OH)2 |
| 9.AJ.20 | Homilite | Ca2(Fe2+,Mg)B2Si2O10 |
| 9.AJ.20 | 'Minasgeraisite-(Y)' | (Ca2Y2)◻2(Be2B2)[SiO4]4(OH)4 |
| 9.AJ.20 | Calcybeborosilite-(Y) | (Y,Ca)2(◻,Fe2+)(B,Be)2[SiO4]2(OH,O)2 |
| 9.AJ.25 | Stillwellite-(La) | LaBSiO5 |
| 9.AJ.25 | Stillwellite-(Ce) | (Ce,La,Ca)BSiO5 |
| 9.AJ.35 | Laptevite-(Ce) | Ca6(Fe2+,Mn2+)Y3REE7(SiO4)3(PO4)(B3Si3O18)(BO3)F11 |
| 9.AJ.35 | Proshchenkoite-(Y) | Ca(Y,REE,Ca,Na,Mn)15Fe2+(P,Si)Si6B3O34F14 |
| 9.AJ.35 | Okanoganite-(Y) | (Na,Ca)3(Y,Ce)12Si6B2O27F14 |
| 9.AJ.35 | Hundholmenite-(Y) | (Y,REE,Ca,Na)15(Al,Fe3+)(CaxAs3+1-x)(Si,As5+)Si6B3(O,F)48 |
| 9.AJ.35 | Vicanite-(Ce) | (Ca,Ce,La,Th)15As5+(As3+0.5,Na0.5)Fe3+Si6B4O40F7 |
| 9.AJ.40 | Jadarite | LiNaSiB3O7(OH) |
Other Information
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 Cappelenite-(Y)
mindat.org URL:
https://www.mindat.org/min-889.html
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References for Cappelenite-(Y)
Reference List:
Brögger, W. C. (1885) Forelöbig meddelelse om to nye norske mineraler, Låvenit og Cappelenit. Geologiska Föreningen i Stockholm Förhandlingar, 7 (10) 598-600 doi:10.1080/11035898509443558
Shen, Jinchuan, Moore, Paul Brian (1984) Crystal structure of cappelenite, Ba(Y,RE)6[Si3Be6O24]F2: a silicoborate sheet structure. American Mineralogist, 69 (1-2) 190-195
Localities for Cappelenite-(Y)
Showing 5 localities.
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The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Canada | |
| Horváth et al. (2019) |
Kazakhstan | |
| Pavel M. Kartashov (n.d.) +1 other reference |
Norway | |
| Mineralogical Society of America - ... |
| Brögger (1885) +1 other reference |
Tajikistan | |
| Pautov et al. (2004) |
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Natrolittodden, Vesle Arøya, Larvik Commune, Vestfold, Norway