Classification of Lamprophyllite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 8/C.13-30
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| Nickel-Strunz 10th (pending) edition ID: | 9.BE.25
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: | 56.2.6c.4
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.: | 14.9.8
14 : Silicates not Containing Aluminum 9 : Silicates of Ti |
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| mindat.org URL: | http://www.mindat.org/min-2315.html Please feel free to link to this page. |
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Type Occurrence of Lamprophyllite |
| Type Locality: | Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia |
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| Year of Discovery: | 1894 |
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Physical Properties of Lamprophyllite |
| Lustre: | Vitreous, Pearly |
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| Colour: | Yellow |
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| Streak: | Brownish white |
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| Hardness (Mohs): | 2½ |
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Crystallography of Lamprophyllite |
| Crystal System: | Monoclinic |
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| Cell Parameters: | a = 19.76Å, b = 7.06Å, c = 5.4Å β = 96.5° |
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| Ratio: | a:b:c = 2.799 : 1 : 0.765 |
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| Unit Cell Volume: | V 748.49 ų (Calculated from Unit Cell) |
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Optical Data of Lamprophyllite |
| Type: | Biaxial (+) |
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| RI values: | nα = 1.746 nβ = 1.754 nγ = 1.779 |
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| 2V: | Measured: 21° to 43°, Calculated: 60° |
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| Maximum Birefringence: | δ = 0.033
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | High |
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| Dispersion: | none |
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Chemical Properties of Lamprophyllite |
| Formula: | | (Sr,K,Ba) | | (Na,Ti,Mn | | ,Fe | | ) | | Ti | | [O|(O,OH,F)|Si | | O | | ] | | |
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| Essential elements: | H, Na, O, Si, Sr, Ti |
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| All elements listed in formula: | Ba, F, Fe, H, K, Mn, Na, O, Si, Sr, Ti |
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| Common Impurities: | Al,Fe,Nb,Ta,Mn,Mg,Ca,K,H2O |
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Relationship of Lamprophyllite 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 | Mosandrite | | (Ca,Na,Ce) | | (Ti,Zr) | | [F | | |(OH) | | |SiO | | |(Si | | O | | ) | | ] |
| | 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 | 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: | | 14.9.1 | Natisite | | | 14.9.2 | Lorenzenite | | | 14.9.3 | Lintisite | | | 14.9.4 | Davanite | | | 14.9.5 | Kazakovite | | | 14.9.6 | Titanite | | | 14.9.7 | Ohmilite | | Sr | | (Ti,Fe | | )[(O,OH)|(Si | | O | | ) | | ] · 2-3H | | O |
| | 14.9.9 | Benitoite | | | 14.9.10 | Batisite | | | 14.9.11 | Fresnoite | | | 14.9.12 | Joaquinite-(Ce) | | | 14.9.13 | Orthojoaquinite-(Ce) | | | 14.9.14 | Strontiojoaquinite | | Sr | | Ba | | (Na,Fe) | | Ti | | Si | | O | | (O,OH) | | ·H | | O |
| | 14.9.15 | Bario-orthojoaquinite | | | 14.9.16 | Strontio-orthojoaquinite | | Sr | | Ba | | (Na,Fe) | | Ti | | Si | | O | | (O,OH) | | ·H | | O |
| | 14.9.17 | Bafertisite | | Ba(Fe | | ,Mn | | ) | | Ti[O|(O,OH) | | |Si | | O | | ] |
| | 14.9.18 | Hejtmanite | | Ba(Mn | | ,Fe | | ) | | Ti[O|(OH,F) | | |Si | | O | | ] |
| | 14.9.19 | Delindeite | | (Na,K) | | (Ba,Ca) | | (Ti,Fe,Al) | | Si | | O | | (OH) | | |
| | 14.9.20 | Barytolamprophyllite | | (Ba,Na) | | (Na,Ti,Fe | | ) | | Ti | | [O|(OH,F)|Si | | O | | ] | | |
| | 14.9.21 | Trimounsite-(Y) | | | 14.9.22 | Perrierite-(Ce) | | (Ce,Ca,Th) | | (Mg,Fe | | ) | | (Ti,Fe | | ) | | [O | | |Si | | O | | ] | | |
| | 14.9.23 | Chevkinite | | (Ca,Ce,Th) | | (Fe,Mn) | | (Ti,Fe) | | Si | | O | | |
| | 14.9.24 | Strontiochevkinite | | (Sr,La,Ce,Ca) | | Fe | | (Ti,Zr) | | Ti | | [O | | |Si | | O | | ] | | |
| | 14.9.25 | Tisinalite | | Na | | H | | (Mn,Ca,Fe)TiSi | | (O,OH) | | ·2H | | O |
| | 14.9.26 | Neptunite | | | 14.9.27 | Manganoneptunite | | | 14.9.28 | Kupletskite | | | 14.9.29 | Astrophyllite | | | 14.9.30 | Hydroastrophyllite | | (H | | O,K,Ca) | | (Fe,Mn) | | Ti | | Si | | (O,OH) | | |
| | 14.9.31 | Magnesioastrophyllite | | (Na,K) | | Mg | | (Fe,Fe,Mn) | | Ti | | Si | | O | | (O,OH,F) | | |
| | 14.9.32 | Baratovite | | | 14.9.34 | Aenigmatite | | | 14.9.35 | Schorlomite | | | 14.9.36 | Tinaksite | | | 14.9.37 | Janhaugite | | (Na,Ca) | | (Mn,Fe) | | (Ti,Zr,Nb) | | Si | | O | | (OH,F,O) | | |
| | 14.9.38 | Koashvite | |
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Other Names for Lamprophyllite |
| German names: | |
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| Russian names: | |
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| Spanish names: | |
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Polytypes for Lamprophyllite |
| Polytypes: | |
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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 Lamprophyllite |
| Reference List: | Mineralogicheskii Zhurnal: 12: 25-28.
Doklady Akademii Nauk SSSR: 269: 117-120.
Soviet Physics – Doklady (1983): 28: 206.
Krivovichev,S.V., Armbruster, T., Yakovenchuk, V.N., Pakhomovsky, Y.A., and Men'shikov, Y.P. (2003) Crystal structures of lamprophyllite-2M and lamprophyllite-2O from the Lovozero alkaline massif, Kola peninsula, Russia. European Journal of Mineralogy: 15: 711-718.
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Internet Links for Lamprophyllite |
| Search Engines: |
Look for Lamprophyllite on Google
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| External Links: | Look for Lamprophyllite on WebmineralLook for Lamprophyllite on Athena MineralogyLook for Lamprophyllite on WikipediaLook for Lamprophyllite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Lamprophyllite in the Natural History Museum (London) online catalogueLamprophyllite details from Handbook of Mineralogy (PDF) |
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| Mineral Dealers: | Rare and Unusual minerals at Mineralogical Research Companyrare and unusual minerals mainly crystallizedFind Lamprophyllite on www.crystalclassics.co.ukBuy Fine Minerals from mineralsweb.comWendel Minerals - Auktion & ShopSearch for Lamprophyllite on minvision.comHigh-end worldwide specimens & outstanding customer serviceTop quality minerals from Kristalle of CaliforniaSearch for Lamprophyllite at Thames Valley MineralsBuy Minerals and Crystals from Crystalarium.comFine Minerals from Dan Weinrich MineralsWright's Rock Shop - excellent mineral specimens since 1970 |
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Localities for Lamprophyllite |
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