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Tinzenite

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Formula:
Ca2Mn2+4Al4[B2Si8O30](OH)2
Formula based on the IMA 16-D proposal
Colour:
Lemon-yellow, orange, red
Lustre:
Vitreous
Hardness:
6½ - 7
Crystal System:
Triclinic
Member of:
Name:
Named after its discovery locality, Alpe Parsettens, near Tinzen, Grisons, Switzerland.
Hide all sections | Show all sections

Classification of TinzeniteHide

Approved
9.BD.20

9 : SILICATES (Germanates)
B : Sorosilicates
D : Si2O7 groups, with additional anions; cations in tetrahedral [4] and greater coordination
56.2.2.4

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
17.5.42

17 : Silicates Containing other Anions
5 : Borosilicates

Physical Properties of TinzeniteHide

Vitreous
Colour:
Lemon-yellow, orange, red
Hardness:
6½ - 7 on Mohs scale

Optical Data of TinzeniteHide

Type:
Biaxial (-)
RI values:
nα = 1.693 nβ = 1.701 nγ = 1.704
2V:
Measured: 62° , Calculated: 62°
Max Birefringence:
δ = 0.011
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
weak to distinct

Chemical Properties of TinzeniteHide

Formula:
Ca2Mn2+4Al4[B2Si8O30](OH)2

Formula based on the IMA 16-D proposal
Common Impurities:
Ti,Mg,Ba,Na,K,H2O

Crystallography of TinzeniteHide

Crystal System:
Triclinic
Cell Parameters:
a = 8.98 Å, b = 9.17 Å, c = 7.14 Å
α = 102.9°, β = 98.1°, γ = 88°
Ratio:
a:b:c = 0.979 : 1 : 0.779
Unit Cell V:
567.39 ų (Calculated from Unit Cell)

Type Occurrence of TinzeniteHide

Other Language Names for TinzeniteHide

Relationship of Tinzenite to other SpeciesHide

Member of:
Other Members of this group:
Axinite-(Fe)Ca2Fe2+Al2BSi4O15OHTric. 1 : P1
Axinite-(Mg)Ca2MgAl2BSi4O15OHTric.
Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)Tric. 1 : P1
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
Quartz39 photos of Tinzenite associated with Quartz on mindat.org.
Lindbergite7 photos of Tinzenite associated with Lindbergite on mindat.org.
Sursassite4 photos of Tinzenite associated with Sursassite on mindat.org.
Phillipsite4 photos of Tinzenite associated with Phillipsite on mindat.org.
Calcite4 photos of Tinzenite associated with Calcite on mindat.org.
Hematite3 photos of Tinzenite associated with Hematite on mindat.org.
Parsettensite2 photos of Tinzenite associated with Parsettensite on mindat.org.
Kutnohorite2 photos of Tinzenite associated with Kutnohorite on mindat.org.
Braunite1 photo of Tinzenite associated with Braunite on mindat.org.
Piemontite1 photo of Tinzenite associated with Piemontite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.BD.05BertranditeBe4(Si2O7)(OH)2Orth. mm2 : Cmc21
9.BD.10HemimorphiteZn4Si2O7(OH)2 · H2OOrth. mm2 : Imm2
9.BD.15JunitoiteCaZn2Si2O7 · H2OOrth. mm2
9.BD.20Axinite-(Fe)Ca2Fe2+Al2BSi4O15OHTric. 1 : P1
9.BD.20Axinite-(Mg)Ca2MgAl2BSi4O15OHTric.
9.BD.20Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)Tric. 1 : P1
9.BD.25VistepiteSnMn4B2Si4O16(OH)2Tric. 1
9.BD.30BoralsiliteAl16B6Si2O37Mon. 2/m : B2/m
9.BD.35Werdingite(Mg,Fe)2Al14Si4B4O37Tric.

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

56.2.2.1Axinite-(Fe)Ca2Fe2+Al2BSi4O15OHTric. 1 : P1
56.2.2.2Axinite-(Mg)Ca2MgAl2BSi4O15OHTric.
56.2.2.3Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)Tric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

17.5.1ManandoniteLi2Al4(Si2AlB)O10(OH)8Orth.
17.5.2ReedmergneriteNaBSi3O8Tric.
17.5.3SearlesiteNa(H2BSi2O7)Mon. 2 : P21
17.5.4OleniteNa(Al3)Al6(Si6O18)(BO3)3O3(OH)Trig.
17.5.5ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
17.5.6KalborsiteK6Al4BSi6O20(OH)4ClTet.
17.5.7BoromuscoviteKAl2(BSi3O10)(OH)2Mon.
17.5.8PoudretteiteKNa2B3Si12O30Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
17.5.9LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
17.5.10DatoliteCa(HBSiO5)Mon. 2/m : P21/b
17.5.11DanburiteCaB2Si2O8Orth. mmm (2/m 2/m 2/m)
17.5.12HowliteCa2B5SiO9(OH)5Mon. 2/m : P21/b
17.5.13BakeriteCa4(H5B5Si3O20)Mon. 2/m : P21/b
17.5.14OyeliteCa10Si8B2O29 · 12.5H2OOrth.
17.5.15KornerupineMg3Al6(Si,Al,B)5O21(OH)Orth. mmm (2/m 2/m 2/m)
17.5.16HarkeriteCa12Mg4Al(BO3)3(SiO4)4(CO3)5 · H2OTrig. 3m (3 2/m) : R3m
17.5.17SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]Tric. 1 : P1
17.5.18Stillwellite-(Ce)(Ce,La,Ca)BSiO5
17.5.19Tadzhikite-(Ce)Ca4Ce3+2Ti◻(B4Si4O22)(OH)2Mon.
17.5.20Melanocerite-(Ce)(Ce,Ca)5(SiO4,BO4)3(OH,0)Hex.
17.5.21Okanoganite-(Y)(Na,Ca)3(Y,Ce)12Si6B2O27F14
17.5.22Tritomite-(Ce)Ce5(SiO4,BO4)3(OH,O)
17.5.23Tritomite-(Y)Y5(SiO4,BO4)3(O,OH,F)
17.5.24Cappelenite-(Y)Ba(Y,Ce)6Si3B6O24F2Trig. 3 : P3
17.5.25Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3Orth. mmm (2/m 2/m 2/m)
17.5.26Holtite(Ta0.60.4)Al6BSi3O18(O,OH)2.25Orth. mmm (2/m 2/m 2/m) : Pnma
17.5.27DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
17.5.28 FerridraviteNaFe3+3(Mg2Fe3+4)(Si6O18)(BO3)3(OH)3O
17.5.29Axinite-(Mg)Ca2MgAl2BSi4O15OHTric.
17.5.30Uvite SeriesCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)Trig. 3m : R3m
17.5.31GarrelsiteBa3NaSi2B7O16(OH)4Mon.
17.5.32TienshaniteKNa3Na6Ca2Ba6Mn6(Ti4+,Nb)6B12Si36O114(O,OH,F)11Hex. 6/m : P6/m
17.5.33LeucospheniteBaNa4Ti2B2Si10O30Mon.
17.5.34TaramelliteBa4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2ClxOrth. mmm (2/m 2/m 2/m) : Pmmn
17.5.35TitantaramelliteBa4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2ClxOrth.
17.5.36NagashimaliteBa4(V,Ti)4B2Si8O27(O,OH)2ClOrth. mmm (2/m 2/m 2/m) : Pmmn
17.5.37Chromium-draviteNa(Mg3)Cr3+6(Si6O18)(BO3)3(OH)3(OH)Trig.
17.5.38WawayandaiteCa6Mn2BBe9Si6O23(OH,Cl)15Mon.
17.5.39Werdingite(Mg,Fe)2Al14Si4B4O37Tric.
17.5.40Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)Tric. 1 : P1
17.5.41AxiniteTric.
17.5.44SchorlNa(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
17.5.45Fluor-buergeriteNa(Fe3+3)Al6(Si6O18)(BO3)3O3FTrig. 3m : R3m
17.5.46FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
17.5.47Axinite-(Fe)Ca2Fe2+Al2BSi4O15OHTric. 1 : P1
17.5.48HomiliteCa2(Fe2+,Mg)B2Si2O10Mon.
17.5.49Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2Orth. mmm (2/m 2/m 2/m)
17.5.50Hyalotekite(Pb,Ba,K)4(Ca,Y)2(B,Be)2(Si,B)2Si8O28(F,Cl)Tric. 1 : P1
17.5.51Hellandite-(Y)(Ca,REE)4Y2Al◻2(B4Si4O22) (OH)2Mon.

Other InformationHide

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 TinzeniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Jakob, J. (1923): Vier Mangansilikate aus dem Val d'Err (Kt. Graubünden). Schweiz. Mineral. Petrograph. Mitt., 3, 227-237.
American Mineralogist (1928): 13: 202.
American Mineralogist (1968): 53: 1407-1411.
Philosophical Magazine: 42: 369-379.
Basso R., Della Giusta A., Vlaic G. (1973), La struttura della Tinzenite. Periodico di mineralogia – Roma, pp. 369- 379.
American Mineralogist (1979): 64: 635-645.
Grew, E.S., and Anovitz, L.M. (1996): BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).
Belokoneva E L, Goryunova A N, Pletnev P A, Spiridonov É M (2001): Crystal structure of high-manganese tinzenite from the Falotta deposit in Switzerland, Crystallography Reports, 46, 30-32

Internet Links for TinzeniteHide

Localities for TinzeniteHide

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.
Czech Republic
 
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Třebíč
Škoda, R., Novák, M., Houzar, S.: Granitické NYF pegmatity třebíčského plutonu. Acta Musei Moraviae, Scientiae geologicae, 2006, roč. 91, s. 129 - 176.; Škoda, R. & Čopjaková, R. (2006) Herzenbergite And Sn-bearing Tinzenite From The NYF Pegmatite In Třebíč Pluton, Moldanubicum, Czech Republic. Acta Miner.-Petrograph.,Abstract Series 5, Szeged, p.107
France
 
  • Occitanie
    • Hautes-Pyrénées
Le Règne Minéral 47: 5-21
        • Nabias
European J. Mineralogy, 11/5, 879-890
        • Vielle-Aure
DE ASCENCAO GUEDES R., TIXADOR Y., CASTERET A. & GOUJOU JC. (2002) La mine de Coustou, Vielle-Aure, Hautes-Pyrénées. Le Règne Minéral, 47, 23-31. (in french)
Italy
 
  • Liguria
    • Genova Province
      • Ne
        • Graveglia Valley
Redazionale (2005): Sistematica ligure: resoconto 2005. Notiziario di Mineralogia del Ferrania Club, 19 , 3-5.
No reference listed
[MinRec 32:356]
          • Reppia
[MinRec 32:354]
  • Tuscany
    • Lucca Province
      • Apuan Alps
Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa
Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Japan
 
  • Honshu Island
    • Kanto Region
      • Tokyo Metropolis
        • Nishi-Tama-gun
          • Okutama-cho
Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
    • Kinki Region
      • Kyoto Prefecture
        • Nantan City
Toyofumi Yoshimura, "Manganese deposits in Japan - Addendum, PartII", Science reports, Department of Geology, Kyushu University (1969)
    • Tohoku Region
      • Iwate Prefecture
        • Shimohei-gun
          • Yamada-machi
Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
  • Kyushu Region
    • Miyazaki prefecture
      • Takachiho
Uehara, S., et al (2014) MInerals from Kyushu and Yamaguchi. (Fukuoka Mineral Club, 355 pages)
  • Shikoku Island
    • Kochi Prefecture
      • Nankoku city
Masutomi Museum specimen, Kyoto
M. Nakagawa, M. Santosh, S. Maruyama (2009) Distribution and mineral assemblages of bedded manganese deposits in Shikoku, Southwest Japan: Implications for accretion tectonics. Gondwana Research 16, 609–621.
New Zealand
 
  • South Island
    • Otago
      • Dunedin
www.minsocam.org/msa/Handbook/Tinzenite.PDF.
Norway
 
  • Sør-Trøndelag
    • Oppdal
      • Storlidalen
Witsø, T. (1995): Mineraler i Oppdal med beskrivelse. Driva Kro og steinsenter. Unpublished paper.Nordrum, F.S. (2002): Nyfunn av mineraler i Norge 2001-2002. STEIN 29 (2): 4-10 (erroneously reported); Nordrum, F.S., Larsen, A.O. & Erambert, M.(2005): Minerals of the axinite group from Norwegian localities. Norsk Bergverksmuseum Skrift, 30: 88-93
Russia
 
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
Pletnev P. (1995) Mineralogy of gondites and metavolcanic rocks of Kogaevskogo Mn deposit. Urals Summer Mineralogical School-1995. 58-60; Pletnev data
Switzerland
 
  • Grischun (Grisons; Graubünden)
    • Albula Valley
      • Oberhalbstein (Surses; Sursass)
        • Tinizong (Tinzen)
- Geiger T. (1948): Manganerze in den Radiolariten Graubündens. Beiträge zur Geologie der Schweiz, Lieferung 27, 89 p.
[MinRec 32:211]; Belokoneva E. L., Goryuonova A. N., Pletnev P. A., Spiridonov E. M., 2001. Crystall. Rep., 46: 30-32.
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 403-404.
    • Hinterrhein Valley
      • Rheinwald
        • Splügen
Roth, P. & Meisser, N. (2011): I minerali dell'Alpe Tanatz. Passo dello Spluga (Grigioni, Svizzera). Rivista Mineralogica Italiana, 2/2011, 90-99
    • Schanfig Valley
      • Arosa
Analyses by N. Meisser, MGL Lausanne
      • Langwies
Analyses by N. Meisser, MGL Lausanne
Roth, P. & Meisser, N. (2013): Die seltenen Mineralien der Bündner Manganvorkommen. Schweizer Strahler 47 (3), 8-21 (in German and French).
USA
 
  • Arizona
    • Cochise Co.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 396.
        • Hartford District (Huachuca Mountains District)
David Garske
  • Nevada
    • Mineral Co.
NBMG Spec Pub 31 Minerals of Nevada
Mineral and/or Locality  
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