Classification of Agrellite |
| IMA status: | Approved 1973 |
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| Strunz 8th edition ID: | 8/H.15-10
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| Nickel-Strunz 10th (pending) edition ID: | 9.DH.75
9 : SILICATES (Germanates) D : Inosilicates H : Inosilicates with 4-periodic single chains, Si4O12 |
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| Dana 8th edition ID: | 70.1.1.4
70 : INOSILICATES Column or Tube Structures 1 : Column or Tube Structures with columnar silicate units |
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| Hey's CIM Ref.: | 17.1.3
17 : Silicates Containing other Anions 1 : Silicates with fluoride (not containing Al) |
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| mindat.org URL: | http://www.mindat.org/min-57.html Please feel free to link to this page. |
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Type Occurrence of Agrellite |
| Type Locality: | Kipawa alkaline complex, Sheffield Lake, Villedieu Township, Témiscamingue Co., Québec, Canada |
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Physical Properties of Agrellite |
| Lustre: | Pearly |
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| Colour: | White, grey-white, greenish white |
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| Streak: | White |
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| Hardness (Mohs): | 5½ |
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| Cleavage: | Perfect |
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Crystallography of Agrellite |
| Crystal System: | Triclinic |
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Optical Data of Agrellite |
| Type: | Biaxial (-) |
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| RI values: | nα = 1.567 nβ = 1.579 nγ = 1.581 |
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| Maximum Birefringence: | δ = 0.014
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Low |
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| Dispersion: | r > v strong |
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Chemical Properties of Agrellite |
| Formula: | |
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| Essential elements: | Ca, F, Na, O, Si |
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| All elements listed in formula: | Ca, F, Na, O, Si |
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Relationship of Agrellite to other Species |
| Related Minerals - Nickel-Strunz Grouping): | | 9.DH.05 | Leucophanite | | (Ca,Na) | | (Be,Al)[Si | | O | | (F,OH)] |
| | 9.DH.10 | Ohmilite | | Sr | | (Ti,Fe | | )[(O,OH)|(Si | | O | | ) | | ] · 2-3H | | O |
| | 9.DH.15 | Haradaite | | | 9.DH.15 | Suzukiite | | | 9.DH.20 | Batisite | | | 9.DH.20 | Shcherbakovite | | | 9.DH.25 | Taikanite | | | 9.DH.30 | Krauskopfite | | | 9.DH.35 | Balangeroite | | | 9.DH.35 | Gageite | | | 9.DH.40 | Aenigmatite | | | 9.DH.40 | Dorrite | | | 9.DH.40 | Høgtuvaite | | (Ca,Na) | | (Fe | | ,Fe | | ,Ti) | | [O | | |Be(Si,Al) | | O | | ] |
| | 9.DH.40 | Krinovite | | | 9.DH.40 | Makarochkinite | | | 9.DH.40 | Rhönite | | Ca | | (Mg,Fe | | ,Fe | | ,Ti) | | [O | | |(Si,Al) | | O | | ] |
| | 9.DH.40 | Serendibite | | (Ca,Na) | | (Mg,Fe | | ) | | (Al,Fe | | ) | | [O | | |(Si,Al,B) | | O | | ] |
| | 9.DH.40 | Welshite | | | 9.DH.40 | Wilkinsonite | | | 9.DH.45 | Sapphirine | | | 9.DH.50 | Khmaralite | | | 9.DH.55 | Surinamite | | | 9.DH.60 | Deerite | | | 9.DH.65 | Howieite | | | 9.DH.65 | Taneyamalite | | (Na,Ca)(Mn,Mg,Fe) | | Si | | (O,OH) | | |
| | 9.DH.70 | Johninnesite | |
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| Related Minerals - Hey's Index Grouping: | | 17.1.1 | Hectorite | | | 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) | | |
| | 17.1.21 | Mosandrite | | (Ca,Na,Ce) | | (Ti,Zr) | | [F | | |(OH) | | |SiO | | |(Si | | O | | ) | | ] |
| | 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 Agrellite |
| Synonyms: | |
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| German names: | |
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| Russian 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 Agrellite |
| Reference List: | Canadian Mineralogist (1976): 14: 120-126.
American Mineralogist: 62: 173.
American Mineralogist: 64: 563-572. |
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Internet Links for Agrellite |
| Search Engines: |
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| External Links: | Look for Agrellite on WebmineralLook for Agrellite on Athena MineralogyLook for Agrellite on WikipediaLook for Agrellite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Agrellite in the Natural History Museum (London) online catalogueAgrellite details from Handbook of Mineralogy (PDF) |
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Localities for Agrellite |
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