Classification of Hejtmanite |
| IMA status: | Approved 1989 |
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| Strunz 8th edition ID: | 8/C.13-80
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| Nickel-Strunz 10th (pending) edition ID: | 9.BE.55
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: | 56.2.6b.2
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.: | 14.9.18
14 : Silicates not Containing Aluminum 9 : Silicates of Ti |
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| mindat.org URL: | http://www.mindat.org/min-1849.html Please feel free to link to this page. |
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Type Occurrence of Hejtmanite |
| Type Locality: | Mbolwe Hill, Mkushi River area, Central Province, Zambia |
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| Year of Discovery: | 1992 |
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Physical Properties of Hejtmanite |
| Lustre: | Vitreous |
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| Colour: | Brownish to golden yellow |
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| Streak: | Yellow, brown |
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| Hardness (Mohs): | 4½ |
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Crystallography of Hejtmanite |
| Crystal System: | Monoclinic |
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| Cell Parameters: | a = 11.74Å, b = 13.76Å, c = 10.69Å β = 112.27° |
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| Ratio: | a:b:c = 0.853 : 1 : 0.777 |
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| Unit Cell Volume: | V 1,598.08 ų (Calculated from Unit Cell) |
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Optical Data of Hejtmanite |
| Type: | Biaxial (-) |
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| RI values: | nα = 1.814 nβ = 1.846 nγ = 1.867 |
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| 2V: | Measured: 76° to 76.8°, Calculated: 76° |
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| Maximum Birefringence: | δ = 0.053
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Very High |
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| Dispersion: | r > v |
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Chemical Properties of Hejtmanite |
| Formula: | | Ba(Mn | | ,Fe | | ) | | Ti[O|(OH,F) | | |Si | | O | | ] |
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| Essential elements: | Ba, H, Mn, O, Si, Ti |
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| All elements listed in formula: | Ba, F, Fe, H, Mn, O, Si, Ti |
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| Common Impurities: | Al,Nb,Mg,Na,K,Cl |
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Relationship of Hejtmanite 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 | 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 | 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 |
| | 14.9.8 | Lamprophyllite | | (Sr,K,Ba) | | (Na,Ti,Mn | | ,Fe | | ) | | Ti | | [O|(O,OH,F)|Si | | 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 | | ] |
| | 14.9.19 | 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 Hejtmanite |
| 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 Hejtmanite |
| Reference List: | Vrana, S., Rieder, M. & Gunter, M. E. (1992): Hejtmanite, a manganese-dominant analogue of bafertisite, a new mineral. European Journal of Mineralogist: 4, 35-43.
American Mineralogist: 77: 1306.
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Internet Links for Hejtmanite |
| Search Engines: |
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| External Links: | Look for Hejtmanite on WebmineralLook for Hejtmanite on Athena MineralogyLook for Hejtmanite on WikipediaLook for Hejtmanite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Hejtmanite in the Natural History Museum (London) online catalogueHejtmanite details from Handbook of Mineralogy (PDF) |
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| Mineral Dealers: | Search for Hejtmanite at Thames Valley Mineralsrare and unusual minerals mainly crystallizedWright's Rock Shop - excellent mineral specimens since 1970Lapis Mineral MagazinBuy Fine Minerals from mineralsweb.comWilensky Fine MineralsFine Minerals from Dan Weinrich MineralsTop quality minerals from Kristalle of CaliforniaHigh-end worldwide specimens & outstanding customer serviceMineral Classics - Worldwide Collector Quality Minerals and GemsRare and Unusual minerals at Mineralogical Research Companye-Rocks - Mineral Auctions and Sales |
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Localities for Hejtmanite |