Kristiansenite Group
A group of related mineral species
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About Kristiansenite Group
This page provides mineralogical data about Kristiansenite Group.
Unique Identifiers
Mindat ID:
55753
Long-form identifier:
mindat:1:1:55753:1
IMA Classification of Kristiansenite Group
IMA status notes:
IMA Approved Group Name
Chemical Analysis
Oxide wt%:
| 4 | |
|---|---|
| SiO2 | 39.46 % |
| ZrO2 | 0.35 % |
| SnO2 | 31.13 % |
| Al2O3 | 0.35 % |
| Sc2O3 | 2.56 % |
| Fe2O3(tot) | 5.06 % |
| MnO | 0.71 % |
| CaO | 18.42 % |
| H2O(calc.) | 1.48 % |
| Total: | 99.52 % |
Empirical formulas:
| Sample ID | Empirical Formula |
|---|---|
| 2 | Ca2.001(2[(Sn1.105Zr0.009)?1.114(Fe3+0.523Sc0.185Al0.070)?0.779(Fe2+0.065Mn2+0.041Mg0.003)?0.110]?2.003(Si3.997O13OH) |
| 3 | Ca2.006[(Sn1.110(Ti0.006)?1.107(Fe3+0.648Al0.063)?0.710(Fe2+0.140Mn2+0.011Mg0.005)?0.155(Nb0.020Ta0.011)?0.040]?2.009(Si3.991O13OH) |
| 4 | Ca4.00(Sn2.652Sc0.47Fe2+0.43Fe3+0.34Mn2+0.12Al0.08Zr0.03)?4.00(Si2.00O7)2(Si2.00O6OH)2 |
Sample references:
| ID | Locality | Reference | Notes |
|---|---|---|---|
| 2 | Szklarska Poręba Huta granite quarry, Szklarska Poręba, Karkonosze County, Lower Silesian Voivodeship, Poland | EPMA, 13 O2– + 1 (OH)–anions normalization | |
| 3 | Häiviäntien pegmatite, Forssa, Kanta-Häme, Finland | EPMA, 13 O2– + 1 (OH)–anions normalization | |
| 4 | Szklarska Poręba Huta granite quarry, Szklarska Poręba, Karkonosze County, Lower Silesian Voivodeship, Poland | by electron microprobe; Fe2O3calc. = 2.26%, FeOcalc. = 2.52%; empirical formula basis: 26O + 2(OH) and 16 cations (Z = 2) |
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) |
|---|---|---|---|---|---|---|---|
| 0011092 | Kristiansenite | Ferraris G, Gula A, Ivaldi G, Nespolo M, Raade G (2001) Crystal structure of kristiansenite: a case of class IIB twinning by metric merohedry Zeitschrift fur Kristallographie 216 442-448 |  | 2001 | amazonite pegmatite, Heftetjern, Tordal, Telemark, Norway | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Kristiansenite Group to other Species
Kristiansenite Group Members:
| Kozłowskiite | Ca4(Fe2+Sn3)[Si2O7]2[Si2O6OH]2 | Tric. 1 |
| Kristiansenite | Ca4(Sc2Sn2)[Si2O7]2[Si2O6OH]2 | Tric. 1 |
| Nybergite | Ca4Sc3Sn(Si2O7)(Si2O6OH)3 | Tric. 1 : P1 |
| Silesiaite | Ca4(Fe3+2Sn2)[Si2O7]2[Si2O6OH]2 | Tric. 1 |
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 Kristiansenite Group
mindat.org URL:
https://www.mindat.org/min-55753.html
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References for Kristiansenite Group
Localities for Kristiansenite Group
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.
Czech Republic | |
| [Kristiansenite] Výravský et al. (2017) |
Finland | |
| [Kristiansenite] Kristiansen (2023) |
Italy | |
| [Kristiansenite] Nagashima et al. (2022) |
| [Kristiansenite] Piccoli et al. (2007) |
| [Kristiansenite] Grill (1935) |
| [Kristiansenite] Sergio Varvello personal communication (2004) +1 other reference | |
Japan | |
| [Kristiansenite] Imaoka et al. (2024) |
Norway | |
| [Kristiansenite] Ferraris et al. (2001) +1 other reference |
Poland | |
| [Kristiansenite] Evans et al. (2018) |
Spain | |
| [Silesiaite] Cepedal et al. (2021) |
| [Kristiansenite] Prado-Herrero et al. (2008) |
Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway