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Bazzite

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About BazziteHide

Formula:
Be3Sc2(Si6O18)
Colour:
Deep blue or other shades of blue, blue-green.
Lustre:
Vitreous
Hardness:
6½ - 7
Specific Gravity:
2.77 - 2.8
Crystal System:
Hexagonal
Member of:
Name:
Named in 1915 for Alessandro Eugenio Bazzi (1892-1929), discoverer of the mineral.
The scandium analogue of Beryl.

Typically found as small to tiny hexagonal crystals with a deep blue or blue-green color. Hard to distinguish from beryl.

Taran et al. (2017) report few chemical varieties, slightly differing in Fe admixture content (Telemark, Norway) and Fe (up to 6.73 wt.% FeO), Mn (up to 2.98 wt.% MnO), Mg (up to 1.86 wt.% MgO) and Al admixture/content (Kent, Kazakhstan). The oxidation state of Fe is variable. The presence of water molecules trapped in structural channels was confirmed, the molecules being always located between or near to the 6-membered rings having Na atoms in their centres.



Classification of BazziteHide

Approved, 'Grandfathered' (first described prior to 1959)
9.CJ.05

9 : SILICATES (Germanates)
C : Cyclosilicates
J : [Si6O18]12- 6-membered single rings (sechser-Einfachringe), without insular complex anions
Dana 7th ed.:
61.1.1.2
61.1.1.2

61 : CYCLOSILICATES Six-Membered Rings
1 : Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution

Physical Properties of BazziteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Deep blue or other shades of blue, blue-green.
Streak:
White
Hardness:
6½ - 7 on Mohs scale
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
Poor on {0001}.
Fracture:
Irregular/Uneven
Density:
2.77 - 2.8 g/cm3 (Measured)    2.82 g/cm3 (Calculated)

Chemical Properties of BazziteHide

Formula:
Be3Sc2(Si6O18)
IMA Formula:
Be3(Sc,Fe3+,Mg)2Si6O18 · Na0.32 · nH2O
Common Impurities:
Fe,Mn,Mg,Li,Na,K,Rb,Cs

Crystallography of BazziteHide

Crystal System:
Hexagonal
Class (H-M):
6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:
P6/mcc
Cell Parameters:
a = 9.521 (5) Å, c = 9.165(5) Å
Ratio:
a:c = 1 : 0.963
Unit Cell V:
719.50 ų (Calculated from Unit Cell)
Z:
2

Geological EnvironmentHide

Geological Setting:
Found in miarolitic cavities in granites, granite pegmatites and in Alpine veins associated with pegmatitic minerals.

Type Occurrence of BazziteHide

Other Language Names for BazziteHide

German:Bazzit
Russian:Баццит
Simplified Chinese:钪绿柱石
Spanish:Bazzita
Traditional Chinese:鈧綠柱石

Varieties of BazziteHide

Caesian BazziteJuve & Bergstøl (1990) described a bazzite with ca. 3 weight% Cs2O from Heftetjern, Tørdal, Telemark, Norway, which they designated as a Caesian Bazzite.

Relationship of Bazzite to other SpeciesHide

Member of:
Other Members of this group:
Avdeevite(Na,Cs)(Be2Li)Al2(Si6O18)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
BerylBe3Al2(Si6O18)Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
JohnkoivulaiteCs[Be2B]Mg2Si6O18Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
PezzottaiteCs(Be2Li)Al2(Si6O18)Trig. 3 : R3
StoppaniiteBe3Fe3+2(Si6O18) · H2OHex. 6/mmm (6/m 2/m 2/m) : P6/mcc

Common AssociatesHide

Associated Minerals Based on Photo Data:
9 photos of Bazzite associated with QuartzSiO2
8 photos of Bazzite associated with BertranditeBe4(Si2O7)(OH)2
5 photos of Bazzite associated with Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
5 photos of Bazzite associated with AlbiteNa(AlSi3O8)
5 photos of Bazzite associated with AdulariaKAlSi3O8
4 photos of Bazzite associated with MuscoviteKAl2(AlSi3O10)(OH)2
4 photos of Bazzite associated with OrthoclaseK(AlSi3O8)
3 photos of Bazzite associated with HematiteFe2O3
2 photos of Bazzite associated with Stilbite subgroup(Na/Ca/K)6-7[Al8-9Si27-28O72] · nH2O
2 photos of Bazzite associated with Chabazite

Related Minerals - Nickel-Strunz GroupingHide

9.CJ.Avdeevite(Na,Cs)(Be2Li)Al2(Si6O18)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.CJ.05BerylBe3Al2(Si6O18)Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CJ.05IndialiteMg2Al3(AlSi5O18)Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CJ.05StoppaniiteBe3Fe3+2(Si6O18) · H2OHex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.CJ.10Cordierite(Mg,Fe)2Al3(AlSi5O18)Orth. mmm (2/m 2/m 2/m) : Cccm
9.CJ.10Sekaninaite(Fe,Mg)2Al3(AlSi5O18)Orth.
9.CJ.15aCombeiteNa4.5Ca3.5Si6O17.5(OH)0.5Trig. 3m (3 2/m) : R3m
9.CJ.15bImandriteNa12Ca3Fe3+2(Si6O18)2Orth.
9.CJ.15aKazakoviteNa6Mn2+Ti(Si6O18)Trig.
9.CJ.15cKoashviteNa6(Ca,Mn)(Ti,Fe)Si6O18 · H2OOrth.
9.CJ.15aLovozeriteNa2Ca(Zr,Ti)(Si6O12)[(OH)4O2] · H2OMon.
9.CJ.15aTisinaliteNa3H3(Mn,Ca,Fe)TiSi6(O,OH)18 · 2H2OTrig.
9.CJ.15aZirsinaliteNa6(Ca,Mn2+,Fe2+)Zr(Si6O18)Trig.
9.CJ.15aLitvinskiteNa2(◻,Na,Mn)ZrSi6O12(OH,O)6Mon. m : Bm
9.CJ.15aKapustiniteNa5(Na,Mn2+)<1Zr(H2Si6O18)Mon. 2/m
9.CJ.25BaratoviteKCa7(Ti,Zr)2Li3Si12O36F2Mon. 2/m : B2/b
9.CJ.25KatayamaliteKLi3Ca7Ti2(SiO3)12(OH)2Mon. 2/m : B2/b
9.CJ.25AleksandroviteKCa7Sn2Li3Si12O36F2Mon. 2/m : B2/b
9.CJ.30DioptaseCuSiO3 · H2OTrig. 3 : R3
9.CJ.35KostyleviteK2Zr(Si3O9) · H2OMon.
9.CJ.40PetarasiteNa5Zr2(Si6O18)(Cl,OH) · 2H2OMon. 2/m : P21/m
9.CJ.45Gerenite-(Y)(Ca,Na)2(Y,REE)3Si6O18 · 2H2OTric.
9.CJ.50OdintsoviteK2Na4Ca3Ti2Be4Si12O38Orth.
9.CJ.55MathewrogersitePb7FeAl3GeSi12O36(OH,H2O)6Trig.
9.CJ.60PezzottaiteCs(Be2Li)Al2(Si6O18)Trig. 3 : R3

Related Minerals - Dana Grouping (8th Ed.)Hide

61.1.1.1BerylBe3Al2(Si6O18)Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
61.1.1.3IndialiteMg2Al3(AlSi5O18)Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc

Other InformationHide

IR Spectrum:
water type II molecules (H–H vector perpendicular to the c-axis) are only observed in samples from Kent (Kazakhstan); H2O IId type is indicated by the bands at 1621 and 3663 cm−1, while the ones at 1633 and 3643 are indicative for th
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for BazziteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1955): 40: 370.
American Mineralogist (1967): 52: 563-564.
Tschermaks Mineralogische und Petrographische Mitteilungen: 35: 410-421.
Canadian Mineralogist: 38: 1419-1424.
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, 8th. edition: 1244.
Taran, M.N., Dyar, M.D., Khomenko, V.M., Boesenberg, J.S. (2017): Optical absorption, Mössbauer, and FTIR spectroscopic studies of two blue bazzites. Physics and Chemistry of Minerals: 44 (in press); http://forum.amiminerals.it/viewtopic.php?f=5&t=13475 (2017)

Internet Links for BazziteHide

Localities for BazziteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria
 
  • Carinthia
    • Spittal an der Drau District
Handbook of Mineralogy
        • Große Fleiß valley
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
Canada
 
  • Ontario
    • Renfrew County
      • Lyndoch Township
ROM and T. Steede specimens
Czech Republic
 
  • Vysočina Region
    • Třebíč District
      • Třebíč
        • Kožichovice
Výravský, J, Škoda, R. & Novak, M. (2017) Kristiansenite, thortveitite and SCNbO4: Products of Ca-metasomatism of Sc-enriched columbite-(Mn) from NYF pegmatite Kožichovice II, Czech Republic. PEG2017. NGF Abstracts and Proceedings, 2017 (2): 169-172.
France
 
  • Auvergne-Rhône-Alpes
    • Savoie
      • La Lauzière massif
JF-LANOE / N° inv. 0308-01 / 07-2011
De Ascenção Guedes, R. & Devouard, B. (2011): Le Règne Minéral, 101, 5-16.; De Ascenção Guedes, R. & Devouard, B. (2012): Reicher Bazzit-Neufund in den französischen Westalpen. Lapis 37 (2), 13-16 (in German).
DE ASCENCAO GUEDES R.. (2000). La Lauzière : les espèces minérales, Savoie, France. Le Règne Minéral hors-série n°6, pp.DE ASCENCAO GUEDES R. et VALVERDE J. (2000). Béryllium. Le Règne Minéral hors-série n°6, pp. 52-55. Editions du Piat. 24-39. Editions du Piat.
  • Brittany
    • Côtes-d'Armor
      • Trémargat
Germain C., Guillou A. (1988), Le Cahier des Micromonteurs, n°3, 3-7
Germany
 
  • Bavaria
    • Lower Bavaria
      • Freyung-Grafenau
        • Röhrnbach
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990; Habel, M. (2009): Der Granodioritbruch der Fa. Josef Uhrmann OHG, Steinerleinbach bei Röhrnbach. Mineralien-Welt 20 (2), 66-86.
  • Saxony
    • Bautzen District
      • Weißenberg
        • Döbschütz
          • Arnsdorf-Melaune Quarry
T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
    • Görlitz District
      • Königshain
T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
      • Thiemendorf
Aufschluss 49 (1998) 293-297
Italy
 
  • Aosta Valley
    • Courmayeur
      • Monte Bianco Massif (Mont Blanc Massif)
        • Veny Valley
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
  • Lombardy
    • Sondrio Province
      • Torre di Santa Maria
Bedognè, F., Campostrini, I., Demartin, F. (2011): Bazzite della Val Suella, Torre Santa Maria, Valmalenco, Sondrio. Micro, 9, 3, 122-124.
    • Varese Province
Guastoni A., Pezzotta F., Demartin F., 2004. Contributo alla mineralogia del granofiro di Cuasso al Monte: recenti determinazioni su esemplari del MSNM. Riv. Mineral. Ital., 28, 4: 194-202. ; Pezzotta, F., Diella, V., Guastoni, A. (1999): Chemical and paragenetic data on gadolinite-group minerals from Baveno and Cuasso al Monte, Southern Alps: mineralogy and inferences. American Mineralogist, 84(5-6), 782-789.
        • Cavagnano
Biffi, P., Sbacchi, M., Sinelli, E. (2004): Gli arseniati di Cava del Prete e altre novità mineralogiche dal granofiro di Cuasso al Monte (Varese). Riv. Mineral. Ital., 28, 4 (4-2004), 232-239. ; Gramaccioli, C. M., Diella, V., Demartin, F., Orlandi, P., & Campostrini, I. (2000). Cesian bazzite and thortveitite from Cuasso al Monte, Varese, Italy: a comparison with the material from Baveno, and inferred origin. The Canadian Mineralogist, 38(6), 1409-1418.
Biffi, P., Sbacchi, M., Sinelli, E. (2004): Gli arseniati di Cava del Prete e altre novità mineralogiche dal granofiro di Cuasso al Monte (Varese). Riv. Mineral. Ital., 28, 4 (4-2004), 232-239; Guastoni, A., Pezzotta,F., Demartin, F. (2004): Cuasso al Monte: recenti determinazioni su esemplari del MSNM. Riv. Mineral. Ital., 28, 4 (4-2004), 194-202.
Guastoni, A., Pezzotta, F., Demartin, F. (2004): Cuasso al Monte: recenti determinazioni su esemplari del MSNM. Riv. Mineral. Ital., 28, 4 (4-2004), 194-202; Pezzotta, F., Diella, V., Guastoni, A. (2005): Scandium silicates from the Baveno and Cuasso al Monte NYF-granites, Southern Alps (Italy): mineralogy and genetic inferences. American Mineralogist, 90: 1442-1452
  • Piedmont
    • Cuneo Province
      • Bagnolo Piemonte
Giuseppe Finello Collection - EDS, SXRD
    • Metropolitan City of Turin
      • Chiomonte
Sorlini A., Del Core G. (2016): Bazzite e altri minerali negli gneiss dell'Ambin. Segnalazione dai lavori del cunicolo esplorativo della Maddalena, Chiomonte, Val di Susa. Rivista Mineralogica Italiana, 50, 2 (2-2016), 76-89.
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Oltrefiume
          • Mount Camoscio
Mineralogical Record 14 (3), 157-168
      • Omegna
        • Agrano
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
Japan
 
  • Gifu Prefecture
    • Nakatsugawa City
      • Hirukawa
Endo, S. (2007) Chigaku Kenkyu, 56, #1, 17-23.
Kazakhstan
 
  • Karaganda Region
    • Karkaraly
Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30
Norway
 
  • Oppland
    • Lunner
      • Øståsen
Kvamsdal, L.O. (1993): Noen mineraler fra nordmarkitten mellom Roa og Maura. STEIN 20 (1), 30-45
  • Telemark
    • Drangedal
      • Tørdal
Bergstøl, S. & Juve, G. (1988). Scandian ixiolite, pyrochlore and bazzite in granite pegmatite in Tørdal, Telemark, Norway. Mineralogy and Petrology, 38:229-243/ Juve, G. & Bergstøl, S. (1990): Caesian bazzite in granite pegmatite in Tørdal, Telemark, Norway. Mineralogy & Petrology, 43:131-136
Kristiansen, R. (2008): Nye mineralfunn i Norge. STEIN 35 (1): 17-21
    • Kragerø
      • Kragerø Archipelago
Larsen, A.O., Nordrum, F.S. & Langhof, J. (2017): Berylliummineraler fra Langøy, Kragerø. Norsk Mineralsymposium 2017: 5-15.
    • Nome
Liferovich, R.P., Subbotin, V.V., Pakhomovsky, Y.A., Lyalina, M.F. (1998) A new type of scandium mineralization in phoscorites and carbonatites of the Kovdor Massif, Russia. The Canadian Mineralogist, 36, 971-980.
  • Vestland
    • Sunnfjord
      • Gaular
        • Sande
Kristiansen, R. (2003): Scandium-mineraler i Norge. STEIN 30 (2), 14-23
Russia
 
  • Altai Krai
    • Charyshsky District
Liferovich, R.P., Subbotin, V.V., Pakhomovsky, Y.A., Lyalina, M.F. (1998) A new type of scandium mineralization in phoscorites and carbonatites of the Kovdor Massif, Russia. The Canadian Mineralogist, 36, 971-980.
  • Murmansk Oblast
    • Turii Cape
www.koeln.netsurf.de/~w.steffens/tury.htm
Switzerland
 
  • Bern
    • Hasli Valley
      • Grimsel area
        • Oberaar lake area
          • Aargrat
            • Gross Sidelhorn
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 70
        • Oberaar power station
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 70
  • Grisons
    • Surselva Region
      • Tujetsch
Handbook of Mineralogy
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 70
  • Ticino
    • Leventina
      • Central St Gotthard Massif
        • Airolo
          • Fontana
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 70
No reference listed
        • Lucendro Valley
Alex Salzmann collection
        • Prevat Valley
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 70
  • Uri
    • Maderanertal
      • Etzli Valley
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 69
    • Reuss Valley
      • Gurtnellen
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 70
  • Valais
    • Brig
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 70
    • Entremont
      • Ferret Valley
        • La Fouly
Cuchet, S., Schnyder, C. & Meisser, N. (2003): Les minéraux de L'A Neuve. Schweizer Strahler / Le Cristallier Suisse, Nr. 3, 28-37
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 70
    • Goms
      • Obergoms
        • Oberwald
Christian Bracke Collection
          • Furka pass area
            • Furka
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 70
    • Westlich Raron (West Raron)
      • Steg-Hohtenn
        • Mittal
Die Mineralien der Schweiz, Weibel et al. 1990
USA
 
  • Colorado
    • Chaffee Co.
Min Rec 18: 360n, bazzite on bertrandite
Minerals of Colorado (1997) Eckel, E. B.
  • Connecticut
    • Middlesex Co.
      • Portland
        • Collins Hill
          • Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries)
From Richard Schooner collection, now int he Anthony J. Albini collection, personally collected by Richard and analyzed.
  • Missouri
    • Washington Co.
Sherwood, M. D., & Williams, G. A. (1998). Missouri mineral locality index. Rocks & Minerals, 73(2), 98-117.
  • New Hampshire
    • Carroll Co.
      • Albany
Rocks & Minerals 80:4 pp242-261 & Dr Eugene Foord ID
      • Bartlett
Rocks&Min. 76:256
      • Jackson
Art Smith (2001) Mineral News, 17, #3, 1-7.
    • Grafton Co.
      • Bethlehem
B. Janules, 2004.; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
 
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