Keiviite-(Y)-Keiviite-(Yb) Series
A solid-solution series between two end-member minerals
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About Keiviite-(Y)-Keiviite-(Yb) Series
Crystal System:
Monoclinic
Series Formula:
Y2Si2O7 to Yb2Si2O7
Unique Identifiers
Mindat ID:
8945
Long-form identifier:
mindat:1:1:8945:2
Similar Names
| Keiviite-(Y) | A valid IMA mineral species | Y2Si2O7 |
| Keiviite-(Yb) | A valid IMA mineral species | Yb2Si2O7 |
| Kievite | A synonym of Cummingtonite | |
| Kivite | A rock subtype | |
| Kivuite | Th(UO2)4(PO3OH)2(OH)8 · 7H2O |
Crystallography of Keiviite-(Y)-Keiviite-(Yb) Series
Crystal System:
Monoclinic
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Big Balls | Small Balls | Just Balls | Spacefill
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Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
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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) |
|---|---|---|---|---|---|---|---|
| 0009370 | Keiviite-(Yb) | Smolin Y I, Shepelev Y F (1970) The crystal structures of the rare earth pyrosilicates Acta Crystallographica B26 484-492 |  | 1970 | synthetic | 0 | 293 |
| 0015614 | Keiviite-(Yb) | Yakubovich O V, Simonov M A, Voloshin A V, Pakhomovsky Y A (1986) Crystal structure of keivite Yb2[Si2O7] Soviet Physics Doklady 31 930-932 | 1986 | Kola Peninsula, Russia | 0 | 293 |
CIF Raw Data - click here to close
Common Associates
Associated Minerals Based on Photo Data:
| 4 photos of Keiviite-(Y)-Keiviite-(Yb) Series associated with Yttrialite-(Y) | (Y,Th)2Si2O7 |
| 1 photo of Keiviite-(Y)-Keiviite-(Yb) Series associated with Tengerite-(Y) | Y2(CO3)3 · 2-3H2O |
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 Keiviite-(Y)-Keiviite-(Yb) Series
mindat.org URL:
https://www.mindat.org/min-8945.html
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References for Keiviite-(Y)-Keiviite-(Yb) Series
Reference List:
Localities for Keiviite-(Y)-Keiviite-(Yb) Series
symbol to view information about a locality.
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.
Austria | |
| [Keiviite-(Y)] Kolitsch (2017) |
Canada | |
| [Keiviite-(Y)] BROSSEAU-LIARD (2012) | |
Italy | |
| [Keiviite-(Y)] //doi.org/10.57635/MICRO.2025.23.15 |
Kazakhstan | |
| [Keiviite-(Y)] Stepanov et al. (2012) |
Norway | |
| [Keiviite-(Y)] Neumann (1985) +1 other reference |
| [Keiviite-(Y)] Bjørlykke (1935) +1 other reference |
| [Keiviite-(Y)] Stensrud (2009) |
| [Keiviite-(Y)] Bjørlykke (1935) |
| [Keiviite-(Y)] Bjørlykke (1935) | |
| [Keiviite-(Y)] Griffin et al. (1979) |
| [Keiviite-(Y)] Husdal (2011) |
| [Keiviite-(Y)] Husdal (2008) |
| [Keiviite-(Y)] Pršek et al. (2010) |
| [Keiviite-(Y)] Steffenssen (2018) |
| [Keiviite-(Y)] Steffenssen (2018) |
| [Keiviite-(Y)] Steffenssen (2018) | |
| [Keiviite-(Y)] Steffenssen (2018) |
| [Keiviite-(Y)] Steffenssen (2018) | |
Poland | |
| [Keiviite-(Y)] Pieczka et al. (2017) +1 other reference |
Russia | |
| [Keiviite-(Y)] Voloshin A.V. et al. (1985) +2 other references |
Sweden | |
| [Keiviite-(Y)] Radek Skoda |
| [Keiviite-(Y)] King et al. (1987) |
| [Keiviite-(Y)] Kristiansen (1993) +1 other reference |
The Moon | |
| [Keiviite-(Y)] Carpenter P. et al. (2011) |
Ploskaya Mountain, Western Keivy Massif, Keivy Mountains, Lovozersky District, Murmansk Oblast, Russia