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Gageite

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Robert Burns Gage
Formula:
Mn21(Si4O12)2O3(OH)20
Colour:
Usually brownish purple, brown, pinkish brown, light pink, light brown, also colorless in small crystals
Lustre:
Vitreous, Sub-Vitreous
Hardness:
3
Specific Gravity:
3.46 - 3.584
Crystal System:
Monoclinic
Name:
Named in 1910 by Alexander Hamilton Phillips in honor of Robert Burns Gage [November 20, 1875 Kaneville, Venango County, Pennsylvania, USA - February 28, 1946 Trenton, New Jersey, USA] chemist with the New Jersey Highway Department. Gage held "numerous patents" relating to highway construction and introduced using weights of cement, rather than volumes of cement, when making concrete roads. Gage analyzed the first specimens of gageite. Gage named chlorophoenicite and schallerite.
Two polytypes are known, gageite-1A and gageite-2M and are often present in the same "crystal".


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Classification of GageiteHide

Approved, 'Grandfathered' (first described prior to 1959)
9.DH.35

9 : SILICATES (Germanates)
D : Inosilicates
H : Inosilicates with 4-periodic single chains, Si4O12
14.7.22

14 : Silicates not Containing Aluminum
7 : Silicates of Ba, Sr and Zn

Physical Properties of GageiteHide

Vitreous, Sub-Vitreous
Transparency:
Transparent, Translucent
Colour:
Usually brownish purple, brown, pinkish brown, light pink, light brown, also colorless in small crystals
Hardness:
Tenacity:
Brittle
Cleavage:
Distinct/Good
On {110}
Density:
3.46 - 3.584 g/cm3 (Measured)    3.599 g/cm3 (Calculated)

Optical Data of GageiteHide

Type:
Biaxial (-)
RI values:
nα = 1.723 nβ = 1.734 nγ = 1.736
Birefringence:
0.013
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v

Chemical Properties of GageiteHide

Formula:
Mn21(Si4O12)2O3(OH)20
IMA Formula:
Mn2+21Si8O27(OH)20

Crystallography of GageiteHide

Polytype:
Formula:
Crystal System:
Class (H-M)
Space Group:
Space Group Setting:
Cell Parameters:
Ratio:
Unit Cell Volume (calc):
Z:
Gageite-1AGageite-2M
 (Mn,Mg,Zn)42Si16O54(OH)40
 Monoclinic 
  
  
  


  
  
  

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.87 (100)
2.758 (80)
2.707 (80)
3.44 (60)
3.25 (60)
2.556 (60)
1.6742 (60)
Comments:
On Franklin, NJ, material.

Type Occurrence of GageiteHide

Place of Conservation of Type Material:
National Museum of Natural History, Smithsonian Institution, Washington, D.C., USA (R6444, 86845).
Geological Setting of Type Material:
In veins and solution cavities traversing massive ore in a metamorphosed stratiform Precambrian Zn-Fe-Mn orebody.
Associated Minerals at Type Locality:

Other Language Names for GageiteHide

German:Gageit
Spanish:Gageita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Rhodochrosite13 photos of Gageite associated with Rhodochrosite on mindat.org.
Shigaite7 photos of Gageite associated with Shigaite on mindat.org.
Zincite6 photos of Gageite associated with Zincite on mindat.org.
Magnetite4 photos of Gageite associated with Magnetite on mindat.org.
Willemite4 photos of Gageite associated with Willemite on mindat.org.
Hematite4 photos of Gageite associated with Hematite on mindat.org.
Oyelite4 photos of Gageite associated with Oyelite on mindat.org.
Hausmannite2 photos of Gageite associated with Hausmannite on mindat.org.
Calcite2 photos of Gageite associated with Calcite on mindat.org.
Braunite1 photo of Gageite associated with Braunite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DH.05LeucophaniteNaCaBeSi2O6FOrth. 2 2 2 : P21 21 21
9.DH.10OhmiliteSr3(Ti,Fe3+)(Si4O12)(O,OH) · 2-3H2OMon.
9.DH.15HaradaiteSrVSi2O7Orth.
9.DH.15SuzukiiteBaVSi2O7Orth.
9.DH.20BatisiteBaNaNaTi2(Si4O12)O2Orth.
9.DH.20Shcherbakovite(K,Ba)KNa(Ti,Nb)2(Si4O12)O2Orth.
9.DH.25TaikaniteSr3BaMn2+2(Si4O12)O2Mon.
9.DH.30KrauskopfiteBaSi2O5 · 3H2OMon.
9.DH.35Balangeroite(Mg,Fe2+,Fe3+,Mn2+)42Si16O54(OH)40Mon.
9.DH.40AenigmatiteNa2Fe2+5Ti(Si6O18)O2Tric. 1 : P1
9.DH.40DorriteCa4(Mg3Fe3+9)O4(Si3Al8Fe3+O36)Tric.
9.DH.40HøgtuvaiteCa4[Fe2+6Fe3+6]O4[Si8Be2Al2O36]Tric. 1 : P1
9.DH.40KrinoviteNa2Mg4Cr3+2(Si6O18)O2Tric.
9.DH.40Makarochkinite(Ca,Na)2Fe2+4Fe3+Ti[O2|BeAlSi4O18]Tric. 1 : P1
9.DH.40RhöniteCa2(Mg,Fe2+,Fe3+,Ti)6[O2|(Si,Al)6O18]Tric. 1 : P1
9.DH.40SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]Tric. 1 : P1
9.DH.40WelshiteCa4Mg9Sb3O4[Si6Be3AlFe2O36]Tric. 1 : P1
9.DH.40WilkinsoniteNa2Fe2+4Fe3+2(Si6O18)O2Tric. 1 : P1
9.DH.45SapphirineMg4(Mg3Al9)O4[Si3Al9O36]Mon. 2/m : P21/b
9.DH.50Khmaralite(Mg,Al,Fe)16[(Al,Si,Be)12O36]O4Mon. 2/m : P21/b
9.DH.55Surinamite(Mg,Fe)3Al4BeSi3O16Mon.
9.DH.60Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5Mon.
9.DH.65HowieiteNa(Fe,Mn)10(Fe,Al)2Si12O31(OH)13Tric.
9.DH.65Taneyamalite(Na,Ca)(Mn,Mg,Fe)12Si12(O,OH)44Tric.
9.DH.70JohninnesiteNa2Mn2+9Mg7(OH)8[AsO4]2[Si6O17]2Tric.
9.DH.75AgrelliteNaCa2Si4O10FTric.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.7.1SanborniteBa2(Si4O10)Orth.
14.7.2KrauskopfiteBaSi2O5 · 3H2OMon.
14.7.3WalstromiteBaCa2(Si3O9)Tric.
14.7.4MacdonalditeBaCa4Si16O36(OH)2 · 10H2OOrth.
14.7.5EricssoniteBaMn2+2Fe3+(Si2O7)O(OH)Mon. 2/m : B2/m
14.7.6Ericssonite-2OBaMn2+2Fe3+(Si2O7)O(OH)Orth.
14.7.7GillespiteBaFe2+Si4O10Tet.
14.7.8AndrémeyeriteBaFe2+2(Si2O7)Mon.
14.7.9PellyiteBa2Ca(Fe,Mg)2Si6O17Orth.
14.7.10TaikaniteSr3BaMn2+2(Si4O12)O2Mon.
14.7.11WillemiteZn2SiO4Trig. 3 : R3
14.7.12HemimorphiteZn4Si2O7(OH)2 · H2OOrth. mm2 : Imm2
14.7.13ZincsiliteZn3(Si4O10)(OH)2 · 4H2OMon.
14.7.14HardystoniteCa2Zn(Si2O7)Tet. 4 2m : P4 21m
14.7.15PetedunniteCa(Zn,Mn2+,Mg,Fe2+)Si2O6Mon.
14.7.16ClinohedriteCaZn(SiO4) · H2OMon. m : Bb
14.7.17JunitoiteCaZn2Si2O7 · H2OOrth. mm2
14.7.18LarsenitePbZnSiO4Orth. mm2 : Pna21
14.7.19EsperitePbCa2Zn3(SiO4)3Mon. 2/m : P21/m
14.7.20HodgkinsoniteMn2+Zn2(SiO4)(OH)2Mon.
14.7.21GerstmanniteMnMgZn(SiO4)(OH)2Orth.
14.7.23FranklinfurnaceiteCa2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8Mon. 2 : B2

Fluorescence of GageiteHide

Not fluorescent in UV

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.
Industrial Uses:
None.

References for GageiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Phillips, A.H. (1910) Gageite, a new mineral from Franklin, New Jersey. American Journal of Science: 30: 283-284.
Palache, C. (1935) The Minerals of Franklin and Sterling Hill, Sussex County, New Jersey. USGS Professional Paper 180: 111.
Trenton Evening Times, March 1, 1946, Obituary, p. 22.
Moore, Paul Brian (1968) Relations of the manganese-calcium silicates, gageite and harstigite. American Mineralogist: 53: 309-315.
Moore, Paul Brian (1969) A novel octahedral framework structure: gageite. American Mineralogist: 54: 1005-1017.
Dunn, P.J. (1979) The chemical composition of gageite: an empirical formula. American Mineralogist: 64: 1056-1058.
Ferraris, G., Mellini, M., and Merlino, S. (1987) Electron-diffraction and electron microscopy study of balangeroite and gageite: crystal structures, polytypism, and fiber texture. American Mineralogist: 72: 382-391.
Dunn, Pete J. (1995): Franklin and Sterling Hill New Jersey: the world’s most magnificent mineral deposits, part 3: 460.

Internet Links for GageiteHide

Localities for GageiteHide

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.
Italy
 
  • Liguria
    • La Spezia Province
      • Rocchetta Vara
Balestra C. (2012): Sistematica ligure 2012. Prie. Notiziario di Mineralogia Ligure. 8-2 60-69
Japan
 
  • Honshu Island
    • Kanto Region
      • Saitama Prefecture
        • Chichibu City
          • Urayama
K. Nishikubo, T. Yamada, A. Harada, M. Takizawa, K. Tange, Y. Kosuge, R. Miyawaki, and S. Matsubara (2005) "Rambergite from the Hirogawara mine, Urayama, Chichibu City, Saitama Prefecture, Japan"
    • Kinki region
      • Mie Prefecture
        • Watarai town
Masutomi Museum specimen (Kyoto); 加藤昭, & 松原聰. (1980). 本邦産マンガン硼酸塩鉱物. 鉱物学雜誌, 14(Special3), 86-97.
  • Shikoku Island
    • Kochi Prefecture
      • Nankoku city
Journal of Mineralogical and Petrological Sciences 103,400-406(2008)
Russia
 
  • Northern Region
    • Komi Republic
      • Prepolar Ural
http://webmineral.ru/deposits/item.php?id=1551
South Africa
 
  • Northern Cape Province
    • Kalahari manganese field
      • Hotazel
Von Bezing, K. L. et al. (1991) The Kalahari manganese field: An Update, Mineralogical Record 22(4) 279-302;
      • Kuruman
        • N'Chwaning Mines
Cairncross, B., and Dixon, R., (1995) Minerals of South Africa. The Geological Society of South Africa, Linden, RSA; Cairncross, B., and Beukes, N. J., (2013) The Kalahari Manganese Field, the adventure continues. Struik Nature Publishers, Cape Town, South Africa
Cairncross, B., and Dixon, R., (1995) Minerals of South Africa. The Geological Society of South Africa, Linden 2014, RSA;
South Korea
 
  • Gangwon-do (Kangwon-do; Gang'weondo)
    • Chongson-gun
      • Nam-myon (Sindong-myon)
Kinosaki, Y. (1943) Jour. Min. Soc. Korea, 26, 8.
Sweden
 
  • Värmland
    • Filipstad
      • Persberg district
        • Pajsberg
Nysten, P. (2004): Harstigen ett mineralogisk eldorado i Bergslagen. Norsk Bergverksmuseum Skrift 28: 5-13
USA
 
  • California
    • San Bernardino Co.
      • San Gabriel Mts
        • Wrightwood
Cannon Microprobe Services, Seattle, WA
    • Santa Clara Co.
      • Diablo Range
        • Black Wonder District
          • Mount Hamilton
            • San Antonio Valley
Pete J. Dunn, Donald R. Peacor, Richard C. Erd, and Robert A. Ramik (1986) Franciscanite and örebroite, two new minerals from California and Sweden, related to redefined welinite. American Mineralogist, 71:1522-1526.
    • Stanislaus Co.
      • Diablo Range
        • Ladd-Buckeye District
          • Mount Oso
Econ Geol (1992) 87:2023-2040; Huebner, J. Stephen; Flohr, Marta J. (1990) Microbanded manganese formations; protoliths in the Franciscan Complex, California; USGS Professional Paper 1502.
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
        • Franklin
Palache(1935): 111; Dunn(1995): Pt3: 460.
Mineral and/or Locality  
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