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Haradaite

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About HaradaiteHide

Zyunpei Harada
Formula:
SrVSi2O7
Colour:
Bright grass green
Lustre:
Vitreous
Hardness:
Specific Gravity:
3.80
Crystal System:
Orthorhombic
Name:
Named by Jun Ito in 1965 (a full description and approval came several years later) after Zyunpei Harada (5 October 1898, Yokohama, Japan - 27 April 1992, Kawasaki, Japan), Professor at Hokkaido University, Sapporo, Japan who contributed eminently to the studies on minerals in Japan.

Classification of HaradaiteHide

Approved
9.DH.15

9 : SILICATES (Germanates)
D : Inosilicates
H : Inosilicates with 4-periodic single chains, Si4O12
65.3.1.1

65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
3 : Single-Width Unbranched Chains, W=1 with chains P=4
14.14.4

14 : Silicates not Containing Aluminum
14 : Silicates of V and Bi

Pronounciation of HaradaiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of HaradaiteHide

Vitreous
Colour:
Bright grass green
Streak:
very pale green
Hardness:
4½ on Mohs scale
Comment:
on {010}
Cleavage:
Perfect
perfect on {010}
distinct {100} and {001}
Density:
3.80 g/cm3 (Measured)    3.83 g/cm3 (Calculated)

Optical Data of HaradaiteHide

Type:
Biaxial (-)
RI values:
nα = 1.713(5) nβ = 1.721(2) nγ = 1.734(5)
2V:
Measured: 90° , Calculated: 78°
Max Birefringence:
δ = 0.021
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
weak
Pleochroism:
Strong
Comments:
a=X=colourless to very pale green, b=Y= colourless to light yellowish green, and c= Z=bluish green.

Chemical Properties of HaradaiteHide

Formula:
SrVSi2O7
IMA Formula:
SrV4+Si2O7
Common Impurities:
Ti,Al,Fe,Mn,Cu,Pb,Ca,Ba,Na,K

Crystallography of HaradaiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 7.001 Å, b = 14.64 Å, c = 5.312 Å
Ratio:
a:b:c = 0.478 : 1 : 0.363
Unit Cell V:
544.45 ų (Calculated from Unit Cell)

Type Occurrence of HaradaiteHide

Synonyms of HaradaiteHide

Other Language Names for HaradaiteHide

German:Haradait
Spanish:Haradaita

Relationship of Haradaite to other SpeciesHide

Structurally related to group(s):

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.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.35GageiteMn21(Si4O12)2O3(OH)20Mon. 2/m
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 - Dana Grouping (8th Ed.)Hide

65.3.1.2SuzukiiteBaVSi2O7Orth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.14.1CavansiteCa(VO)Si4O10 · 4H2OOrth. mmm (2/m 2/m 2/m)
14.14.2PentagoniteCa(VO)Si4O10 · 4H2OOrth. mm2
14.14.3GoldmaniteCa3V3+2(SiO4)3Iso.
14.14.5SaneroiteNaMn2+5[Si5O14(OH)](VO3)(OH)Tric.
14.14.6Erlianite(Fe,Mg)4(Fe,V)2Si6O15(OH,O)8Orth.
14.14.7EulytineBi4(SiO4)3Iso. 4 3m : I4 3d
14.14.8BismutoferriteFe3+2Bi(SiO4)2(OH)Mon. m : Bm

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 HaradaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ito, J. (1965) Synthesis of vanadium silicates: haradaite, goldmanite and roscoelite. Mineral. J. (Japan): 4: 299-316.
Takéuchi, Y., Joswig, W. (1967) The structure of haradaite and a note on the Si-O bond lengths in silicates. Mineralogical Journal: 5: 98-123.
Fleischer, M. (1971) New mineral names. American Mineralogist: 56: 1121-1123.
Watanabe, T., Kato, A., Ito, J., Yoshimora, T., Momoi, H., Fukuda, K. (1974) Haradaite, Sr2V2(O2)(Si4O12), a new mineral from the Noda Tamagawa mine, Iwate Prefecture, and the Yamato mine, Kagoshima Prefecture, Japan. 9th General Meeting of the International Mineralogical Association, Berlin Germany: 9: 97-97.
Watanabe, T.A., Kato, A., Ito, J., Yoshimura, T., Momoi, H., Fukada, K. (1974) Haradaite, Sr2V24+[O2Si4O12], from the Noda Tamagawa mine, Iwate Prefecture, and the Yamato mine Kagoshima Prefecture, Japan. Proc. Japan Acad., Ser B: 58(2): 21-23. (in English)
Chemical Abstracts: 96: 146305.
Fleischer, M. (1975) New mineral names. American Mineralogist: 60: 340-341.
Watanabe, T., Kato, A., Ito, J., Yoshimura, T., Momoi, H., Fukuda, K. (1982) Haradaite, Sr2V4+2[O2 Si4O12], from the Noda Tamagawa mine, Iwate Prefecture and the Yamato mine, Kagoshima Prefecture, Japan, Proceedings of the Japan Academy: 58 B: 21-24.
Basso, R., Lucchetti, G., Palenzona, A., Zefiro, L. (1995) Haradaite from the Gambatesa mine, eastern Liguria, Italy. Neues Jahrbuch für Mineralogie, Monatshefte: 1995: 281-288.

Internet Links for HaradaiteHide

Localities for HaradaiteHide

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
    • Genova Province
      • Ne
        • Graveglia Valley
          • Reppia
Palenzona A. (1986) - Palenzonaite, Gamagarite ed Haradaite, Val Graveglia, Liguria - Riv Min. It, Milano, n. 1, 1986 pp. 13-16
Japan
 
  • Honshu Island
    • Tohoku Region
      • Iwate Prefecture
        • Kunohe-gun
          • Noda-mura
Collection of NHM, Vienna; Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols; Watanabe T, Kato A, Ito J, Yoshimura T, Momoi H, Fukuda K (1982) Haradaite, Sr2V4+2[O2 Si4O12], from the Noda Tamagawa mine, Iwate Prefecture and the Yamato mine, Kagoshima Prefecture, Japan, Proceedings of the Japan Academy 58 B, 21-24
  • Kyushu Region
    • Nansei Archipelago
      • Kagoshima Prefecture
        • Amami-Oshima Island
          • Yamato-son (Yamato village)
Chem.Index Min.(1963) 2nd ed., appendix pp. 57 and 104, Min.Journ.Japan (1982) 11, 15-20; Watanabe T, Kato A, Ito J, Yoshimura T, Momoi H, Fukuda K (1982) Haradaite, Sr2V4+2[O2 Si4O12], from the Noda Tamagawa mine, Iwate Prefecture and the Yamato mine, Kagoshima Prefecture, Japan, Proceedings of the Japan Academy 58 B, 21-24
Mineral and/or Locality  
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