Classification of Mosandrite |
| IMA status: | Valid - first described prior to 1959 (pre-IMA) - "Grandfathered" |
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| Strunz 8th edition ID: | 8/C.12-25
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| Nickel-Strunz 10th (pending) edition ID: | 9.BE.20
9 : SILICATES (Germanates) B : Sorosilicates E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination |
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| Dana 8th edition ID: | 56.2.5.1
56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O 2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination |
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| Hey's CIM Ref.: | 17.1.21
17 : Silicates Containing other Anions 1 : Silicates with fluoride (not containing Al) |
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| mindat.org URL: | http://www.mindat.org/min-2787.html Please feel free to link to this page. |
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Type Occurrence of Mosandrite |
| Type Locality: | Låven (Skådön), Langesundsfjorden, Larvik, Vestfold, Norway |
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Physical Properties of Mosandrite |
| Hardness (Mohs): | 4 |
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Optical Data of Mosandrite |
| Type: | Biaxial (+) |
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| RI values: | nα = 1.646 nβ = 1.649 nγ = 1.658 |
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| 2V: | Measured: 43° to 87°, Calculated: 62° |
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| Maximum Birefringence: | δ = 0.012
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Moderate |
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| Dispersion: | r > v strong |
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Chemical Properties of Mosandrite |
| Formula: | | (Ca,Na,Ce) | | (Ti,Zr) | | [F | | |(OH) | | |SiO | | |(Si | | O | | ) | | ] |
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| Essential elements: | Ca, F, H, O, Si, Ti |
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| All elements listed in formula: | Ca, Ce, F, H, Na, O, Si, Ti, Zr |
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Relationship of Mosandrite to other Species |
| Related Minerals - Nickel-Strunz Grouping): | | 9.BE.02 | Wadsleyite | | | 9.BE.05 | Hennomartinite | | | 9.BE.05 | Lawsonite | | | 9.BE.05 | Noelbensonite | | | 9.BE.05 | Itoigawaite | | | 9.BE.07 | Ilvaite | | | 9.BE.07 | Manganilvaite | | | 9.BE.10 | Suolunite | | | 9.BE.12 | Jaffeite | | | 9.BE.15 | Fresnoite | | | 9.BE.17 | Baghdadite | | | 9.BE.17 | Burpalite | | | 9.BE.17 | Cuspidine | | | 9.BE.17 | Hiortdahlite | | (Ca,Na) | | (Zr,Ti)Si | | O | | (O,OH,F) | | |
| | 9.BE.17 | Janhaugite | | (Na,Ca) | | (Mn,Fe) | | (Ti,Zr,Nb) | | Si | | O | | (OH,F,O) | | |
| | 9.BE.17 | Låvenite | | (Na,Ca) | | (Mn | | ,Fe | | )(Zr,Ti)[(O,OH,F) | | |Si | | O | | ] |
| | 9.BE.17 | Niocalite | | | 9.BE.17 | Normandite | | NaCa(Mn,Fe)(Ti,Nb,Zr)[(O,F) | | |Si | | O | | ] |
| | 9.BE.17 | Wöhlerite | | NaCa | | (Zr,Nb)[(O,OH,F) | | |Si | | O | | ] |
| | 9.BE.17 | Hiortdahlite I | | | 9.BE.17 | IMA2005-005a | | | 9.BE.20 | Nacareniobsite-(Ce) | | Na | | Ca | | (Ce,La,Nd)Nb[F | | |O|(Si | | O | | ) | | ] |
| | 9.BE.20 | Rinkite | | Na(Na,Ca) | | (Ca,Ce) | | Ti[F | | |(O,F) | | |(Si | | O | | ) | | ] |
| | 9.BE.22 | Götzenite | | | 9.BE.22 | Hainite | | | 9.BE.22 | Rosenbuschite | | | 9.BE.22 | Kochite | | (Na,Ca) | | Ca | | (Mn,Ca)ZrTi[(F,O) | | |(Si | | O | | ) | | ] |
| | 9.BE.23 | Dovyrenite | | | 9.BE.25 | Barytolamprophyllite | | (Ba,Na) | | (Na,Ti,Fe | | ) | | Ti | | [O|(OH,F)|Si | | O | | ] | | |
| | 9.BE.25 | Ericssonite | | | 9.BE.25 | Lamprophyllite | | (Sr,K,Ba) | | (Na,Ti,Mn | | ,Fe | | ) | | Ti | | [O|(O,OH,F)|Si | | O | | ] | | |
| | 9.BE.25 | Orthoericssonite | | | 9.BE.25 | Seidozerite | | | 9.BE.25 | Nabalamprophyllite | | Na | | (Ba,Na) | | Ti | | [O|(OH,F)|Si | | O | | ] | | |
| | 9.BE.25 | Grenmarite | | (Zr,Mn) | | (Zr,Ti)(Mn,Na)(Na,Ca) | | (Si | | O | | ) | | (O,F) | | |
| | 9.BE.27 | Murmanite | | | 9.BE.30 | Epistolite | | | 9.BE.32 | Lomonosovite | | | 9.BE.35 | Vuonnemite | | | 9.BE.37 | Sobolevite | | Na | | Ca(NaCaMn)Ti | | (Si | | O | | ) | | (PO | | ) | | O | | F | | |
| | 9.BE.40 | Innelite | | Na | | (Ba,K) | | (Mg,Ca,Fe)Ti | | Si | | O | | (OH,F) | | SO | | |
| | 9.BE.40 | Phosphoinnelite | | Ba | | Na | | Ti | | [(O,F) | | |(PO | | ,SO | | ) | | |Si | | O | | ] |
| | 9.BE.42 | Yoshimuraite | | | 9.BE.45 | Quadruphite | | | 9.BE.47 | Polyphite | | | 9.BE.50 | Bornemanite | | | 9.BE.50 | Shkatulkaite | | Na | | Mn | | Ti | | Nb | | [(OH) | | |F|(Si | | O | | ) | | ] · 12H | | O |
| | 9.BE.50 | Shkatulkalite | | | 9.BE.50 | Bykovaite | | BaNa(Na,Ti) | | [(OH,F) | | |(Ti,Nb) | | Si | | O | | (O,OH) | | ] · 3H | | O |
| | 9.BE.55 | Bafertisite | | Ba(Fe | | ,Mn | | ) | | Ti[O|(O,OH) | | |Si | | O | | ] |
| | 9.BE.55 | Hejtmanite | | Ba(Mn | | ,Fe | | ) | | Ti[O|(OH,F) | | |Si | | O | | ] |
| | 9.BE.55 | Nechelyustovite | | (Ba,Na) | | {(Na,Ti,Mn) | | [(Ti,Nb) | | (OH) | | Si | | O | | ](OH,O,F) | | } · 3H | | O |
| | 9.BE.60 | Delindeite | | (Na,K) | | (Ba,Ca) | | (Ti,Fe,Al) | | Si | | O | | (OH) | | |
| | 9.BE.65 | Bussenite | | | 9.BE.67 | Jinshajiangite | | (Na,Ca)(Ba,K)(Fe,Mn) | | Ti | | Si | | O | | (F,O,OH) | | |
| | 9.BE.67 | Perraultite | | (Na,Ca)(Ba,K)(Mn,Fe) | | (Ti,Nb) | | Si | | O | | (OH,F,O) | | |
| | 9.BE.67 | Surkhobite | | (Ba,K) | | CaNaMn | | Ti | | (Si | | O | | ) | | O | | (F,OH,O) | | |
| | 9.BE.70 | Karnasurtite-(Ce) | | (Ce,La,Th)(Ti,Nb)(Al,Fe)(Si,P) | | O | | (OH) | | ·3H | | O |
| | 9.BE.70 | Perrierite-(Ce) | | (Ce,Ca,Th) | | (Mg,Fe | | ) | | (Ti,Fe | | ) | | [O | | |Si | | O | | ] | | |
| | 9.BE.70 | Strontiochevkinite | | (Sr,La,Ce,Ca) | | Fe | | (Ti,Zr) | | Ti | | [O | | |Si | | O | | ] | | |
| | 9.BE.70 | Chevkinite-(Ce) | | (Ce,La,Ca,Na,Th) | | (Fe | | ,Mg)(Fe | | ,Ti,Fe | | ) | | (Ti,Fe | | ,Nb) | | [O | | |Si | | O | | ] | | |
| | 9.BE.70 | Polyakovite-(Ce) | | (Ce,Ca) | | (Mg,Fe | | )(Cr | | ,Fe | | ) | | (Ti,Nb) | | [O | | |Si | | O | | ] | | |
| | 9.BE.70 | Rengeite | | | 9.BE.70 | Matsubaraite | | | 9.BE.70 | Dingdaohengite-(Ce) | | | 9.BE.70 | Maoniupingite-(Ce) | | (REE,Ca) | | (Fe | | ,Ti,Fe | | ,[])(Ti,Fe | | ,Fe | | ,Nb) | | [O | | |Si | | O | | ] | | |
| | 9.BE.70 | Perrierite-(La) | | (La,Ce, Ca) | | (Fe,Mn | | ,Mg)(Ti,Fe) | | [O | | |Si | | O | | ] | | |
| | 9.BE.72 | Fersmanite | | | 9.BE.75 | Belkovite | | | 9.BE.77 | Nasonite | | | 9.BE.80 | Kentrolite | | | 9.BE.80 | Melanotekite | | | 9.BE.82 | Tilleyite | | | 9.BE.85 | Killalaite | | | 9.BE.87 | Stavelotite-(La) | | (La,Nd,Ca) | | Mn | | Cu(Mn | | ,Fe | | ,Mn | | ) | | [O | | |Si | | O | | ] | | |
| | 9.BE.90 | Biraite-(Ce) | |
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| Related Minerals - Hey's Index Grouping: | | 17.1.1 | Hectorite | | | 17.1.3 | Agrellite | | | 17.1.4 | Apophyllite-(NaF) | | | 17.1.5 | Apophyllite-(KF) | | | 17.1.6 | Apophyllite-(KOH) | | | 17.1.7 | Hsianghualite | | | 17.1.8 | Leucophanite | | (Ca,Na) | | (Be,Al)[Si | | O | | (F,OH)] |
| | 17.1.9 | Norbergite | | | 17.1.10 | Chondrodite | | | 17.1.11 | Humite | | | 17.1.12 | Clinohumite | | | 17.1.13 | Canasite | | | 17.1.14 | Charoite | | (K,Na) | | (Ca,Ba,Sr) | | (Si | | O | | ) | | (Si | | O | | )(OH,F)·H | | O |
| | 17.1.15 | Cuspidine | | | 17.1.16 | Bultfonteinite | | | 17.1.17 | Zeophyllite | | | 17.1.18 | Rowlandite-(Y) | | | 17.1.19 | Yuksporite | | (K,Ba)NaCa | | (Si,Ti) | | O | | (F,OH)·H | | O |
| | 17.1.20 | Yftisite-(Y) | | (Y,Dy,Er) | | (Ti,Sn)O(SiO | | ) | | (F,OH) | | |
| | 17.1.22 | Hiortdahlite | | (Ca,Na) | | (Zr,Ti)Si | | O | | (O,OH,F) | | |
| | 17.1.23 | Burpalite | | | 17.1.24 | Seidozerite | | | 17.1.25 | Thorosteenstrupine | | | 17.1.26 | Zircophyllite | | (K,Na) | | (Mn,Fe | | ) | | (Zr,Ti) | | Si | | O | | (O,OH,F) | | |
| | 17.1.27 | Jinshajiangite | | (Na,Ca)(Ba,K)(Fe,Mn) | | Ti | | Si | | O | | (F,O,OH) | | |
| | 17.1.28 | Rosenbuschite | | | 17.1.29 | Narsarsukite | | | 17.1.30 | Sonolite | |
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Other Names for Mosandrite |
| Synonyms: | |
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| German names: | |
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| Spanish names: | |
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Other Information |
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
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References for Mosandrite |
| Reference List: | American Mineralogist (1958): 43: 795.
Powder Diffraction File (International Center for Diffraction Data) 45-1422.
Acta Crystallographica (1971): B27: 1277-1284.
Mineralogical Record (1990): 21: 284.
Gaines, Richard V., H. Catherine, W. Skinner, Eugene E. Foord, Brian Mason, Abraham Rosenzweig (1997), Dana's New Mineralogy : The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana: 1168.
Bellezza, M. (2005): Crystal-chemical study of Zr,Ti,Nb,REE-disilicates with general formula M16(Si2O7)4(O,OH,F)8, belonging to the cuspidine, gotzenite-rosenbuschite-seidozerite and rinkite families. Plinius, 31, 51-54.
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Internet Links for Mosandrite |
| Search Engines: |
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| External Links: | Look for Mosandrite on WebmineralLook for Mosandrite on Athena MineralogyLook for Mosandrite on WikipediaLook for Mosandrite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Mosandrite in the Natural History Museum (London) online catalogue |
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Localities for Mosandrite |
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