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Jervisite

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00633970014947827643020.jpg
Jervisite, etc.

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
00094250014947827675093.jpg
Jervisite

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
08835030014962261252397.jpg
Jervisite, etc.

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
00633970014947827643020.jpg
Jervisite, etc.

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
00094250014947827675093.jpg
Jervisite

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
01731650014961436168062.jpg
Jervisite, etc.

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
00633970014947827643020.jpg
Jervisite, etc.

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
00094250014947827675093.jpg
Jervisite

Seula mine, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
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About JervisiteHide

Formula:
NaSc3+Si2O6
Colour:
light green
Hardness:
6
Crystal System:
Monoclinic
Name:
Named in 1982 by M. Mellini, S. Merlino, P. Orlandi, and R. Rinaldi in honor of William Paget Jervis (15 November 1832, Belgaum , India - 18 February 1906, Turin, Italy), geologist and director of the Royal Italian Industrial Museum of Turin (Museo Industriale Italiano di Torino).
Isostructural with:
Aegirine
A Sc-bearing Na pyroxene.


Classification of JervisiteHide

IMA status:
Approved
Strunz 8th ed.:
8/F.01-150
Nickel-Strunz 10th (pending) ed.:
9.DA.25

9 : SILICATES (Germanates)
D : Inosilicates
A : Inosilicates with 2-periodic single chains, Si2O6; pyroxene family
Dana 8th ed.:
65.1.3c.6

65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
1 : Single-Width Unbranched Chains, W=1 with chains P=2
Hey's CIM Ref.:
14.8.12

14 : Silicates not Containing Aluminum
8 : Silicates of Group III metals other than Al

Physical Properties of JervisiteHide

Colour:
light green
Streak:
white
Hardness:
6 on Mohs scale
Cleavage:
Perfect

Optical Data of JervisiteHide

Type:
Biaxial (-)
RI values:
nα = 1.683 nβ = 1.715 nγ = 1.724
Max Birefringence:
δ = 0.041
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
medium

Chemical Properties of JervisiteHide

Formula:
NaSc3+Si2O6
Elements listed:
Na, O, Sc, Si - search for minerals with similar chemistry
Common Impurities:
Ti,Al,Mn

Crystallography of JervisiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 9.8478(2) Å, b = 9.0575(1) Å, c = 5.3409(3) Å
β = 106.82(7)°
Ratio:
a:b:c = 1.087 : 1 : 0.59
Unit Cell V:
455.89 ų
Z:
4

Type Occurrence of JervisiteHide

Other Language Names for JervisiteHide

German:Jervisit
Spanish:Jervisita

Relationship of Jervisite to other SpeciesHide

Member of:
Clinopyroxene Subgroup > Pyroxene Group
Other Members of this group:
AegirineNaFe3+Si2O6Mon. 2/m : B2/b
Aegirine-augite(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6Mon. 2/m : B2/b
Augite(CaxMgyFez)(Mgy1Fez1)Si2O6Mon. 2/m : B2/b
BurnettiteCaVAlSiO6Mon. 2/m : B2/b
ClinoenstatiteMgSiO3Mon. 2/m : P21/b
ClinoferrosiliteFe2+SiO3Mon. 2/m : P21/b
DavisiteCaScAlSiO6Mon. 2/m : B2/b
DiopsideCaMgSi2O6Mon. 2/m : B2/b
EsseneiteCaFe3+[AlSiO6]Mon. 2/m : B2/b
GrossmaniteCaTi3+ AlSiO6Mon. 2/m : B2/b
HedenbergiteCaFe2+Si2O6Mon. 2/m : B2/b
JadeiteNa(Al,Fe3+)Si2O6Mon.
JohannseniteCaMn2+Si2O6Mon. 2/m : B2/b
KanoiteMn2+(Mg,Mn2+)Si2O6Mon. 2/m : P21/b
KosmochlorNaCrSi2O6Mon.
KushiroiteCaAl[AlSiO6]Mon. 2/m : B2/b
NamansiliteNaMn3+Si2O6Mon.
NatalyiteNaV3+Si2O6Mon.
Omphacite(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6Mon. 2/m
PetedunniteCa(Zn,Mn2+,Mg,Fe2+)Si2O6Mon.
Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6Mon. 2/m : P21/b
SpodumeneLiAlSi2O6Mon.
Tissintite(Ca,Na,□)AlSi2O6Mon. 2/m : B2/b

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Jervisite associated with CascanditeCa(Sc,Fe3+)(HSi3O9)
1 photo of Jervisite associated with Pumpellyite-(Fe2+)Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O

Related Minerals - Nickel-Strunz GroupingHide

9.DA.ProtoenstatiteMg2Si2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
9.DA.05Donpeacorite(Mn2+,Mg)Mg[SiO3]2Orth.
9.DA.05EnstatiteMgSiO3Orth. mmm (2/m 2/m 2/m) : Pbca
9.DA.05FerrosiliteFeSiO3Orth. mmm (2/m 2/m 2/m) : Pbca
9.DA.10ClinoenstatiteMgSiO3Mon. 2/m : P21/b
9.DA.10ClinoferrosiliteFe2+SiO3Mon. 2/m : P21/b
9.DA.10KanoiteMn2+(Mg,Mn2+)Si2O6Mon. 2/m : P21/b
9.DA.10Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6Mon. 2/m : P21/b
9.DA.15Augite(CaxMgyFez)(Mgy1Fez1)Si2O6Mon. 2/m : B2/b
9.DA.15DiopsideCaMgSi2O6Mon. 2/m : B2/b
9.DA.15EsseneiteCaFe3+[AlSiO6]Mon. 2/m : B2/b
9.DA.15HedenbergiteCaFe2+Si2O6Mon. 2/m : B2/b
9.DA.15JohannseniteCaMn2+Si2O6Mon. 2/m : B2/b
9.DA.15PetedunniteCa(Zn,Mn2+,Mg,Fe2+)Si2O6Mon.
9.DA.15DavisiteCaScAlSiO6Mon. 2/m : B2/b
9.DA.15KushiroiteCaAl[AlSiO6]Mon. 2/m : B2/b
9.DA.15GrossmaniteCaTi3+ AlSiO6Mon. 2/m : B2/b
9.DA.20Aegirine-augite(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6Mon. 2/m : B2/b
9.DA.20Omphacite(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6Mon. 2/m
9.DA.25AegirineNaFe3+Si2O6Mon. 2/m : B2/b
9.DA.25JadeiteNa(Al,Fe3+)Si2O6Mon.
9.DA.25KosmochlorNaCrSi2O6Mon.
9.DA.25NamansiliteNaMn3+Si2O6Mon.
9.DA.25NatalyiteNaV3+Si2O6Mon.
9.DA.30SpodumeneLiAlSi2O6Mon.

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

65.1.3c.1JadeiteNa(Al,Fe3+)Si2O6Mon.
65.1.3c.2AegirineNaFe3+Si2O6Mon. 2/m : B2/b
65.1.3c.3NamansiliteNaMn3+Si2O6Mon.
65.1.3c.4KosmochlorNaCrSi2O6Mon.
65.1.3c.5NatalyiteNaV3+Si2O6Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.8.1Thalénite-(Y)Y3Si3O10FMon.
14.8.2Keiviite-(Y)Y2Si2O7
14.8.3Keiviite-(Yb)Yb2Si2O7Mon. 2/m : B2/m
14.8.4Tombarthite-(Y)Y4(Si,H4)4O12-x(OH)4+2xMon.
14.8.5ThortveititeSc2Si2O7Mon.
14.8.6Sazhinite-(Ce)Na2CeSi6O14•6H2O
14.8.7Monteregianite-(Y)(Na,K)6(Y,Ca)2Si16O38 · 10H2OMon. 2/m
14.8.8Iraqite-(La)KCa2(La,Ce,Th)Si8O20Tet.
14.8.9Ashcroftine-(Y)K5Na5(Y,Ca)12Si28O70(OH)2(CO3)8 · 8H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
14.8.10Nordite-(La)(La,Ce)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17
14.8.11Nordite-(Ce)(Ce,La)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17
14.8.13Cerite-(Ce)(Ce,Ca)9(Mg,Fe)(SiO4)3(HSiO4)4(OH)3Trig. 3m : R3c
14.8.14CascanditeCa(Sc,Fe3+)(HSi3O9)Tric. 1

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 JervisiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ito, J., Frondel, C. (1968) Syntheses of the scandium analogues of aegirine, spodumene, andradite and melanotekite. American Mineralogist: 53: 1276-1280.
Clark, J.R., Appleman, D.E., Papike, J.J. (1969) Crystal-chemical characterization of clinopyroxenes based on eight new structure refinements. MSA Special Paper: 2: 31-50.
Hawthorne, F.C., Grundy, H.D. (1973) Refinement of the crystal structure of NaScSi2O6. Acta Crystallographica: B29: 2615-2616.
Mellini, M., Merlino, S., Orlandi, P., Rinaldi, R. (1982) Cascandite and jervisite, two new scandium silicates from Baveno, Italy. American Mineralogist: 67: 599-603. http://www.minsocam.org/ammin/AM67/AM67_599.pdf
Ohashi, H., Osawa, T., Sato, A. (1994) NaScSi2O6. Acta Crystallographica: C50: 838-840.
Merlino, S., Orlandi, P. (2006): Jervisite, NaScSi2O6: a new occurrence, chemical data and crystal structure. Periodico di Mineralogia: 75: 201-220. http://www.dst.uniroma1.it/riviste/permin/testi/V75/20.pdf
Gramaccioli, C. M., Campostrini, I., & Orlandi, P. (2004). Scandium minerals in the miaroles of granite at Baveno, Italy. European Journal of Mineralogy, 16(6), 951-956.
Morimoto, N. (1988). Nomenclature of pyroxenes. Mineralogy and Petrology, 39(1), 55-76. https://rruff.info/uploads/MM52_535.pdf
Ferraris, G., & Ciriotti, M. (2003). From anorthite to vesuvianite: an excursion through the minerals first discovered in Italy. Episodes, 26(3), 256-258. http://www.ferraris-prarolo.com/pdf/2003/EpisodesSept2003-256.pdf
Gramenitskiy, E. N., & Shchekina, T. I. THE EXPERIMENTAL INVESTIGATION OF SCANDIUM BEHAVIOR IN FLUORINE-BEARING MELTS. http://www.pcmedic.web.ru/conf/khitariada/1-2003/informbul-1_2003/magm-25e.pdf
Vignola, P., Rotiroti, N., Hatert, F., Bersani, D., Andò, S., Varvello, S. (2019): Jervisite, NaScSi2O6: Optical Data, Morphology, Raman Spectroscopy, and Crystal Chemistry. Canadian Mineralogist, 57: 489-498

Internet Links for JervisiteHide

Localities for JervisiteHide

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.
Canada
 
  • Ontario
    • Thunder Bay District
      • Walsh Township
Potter, E. G. and Mitchell, R.H. (2005): Mineralogy of the Deadhorse Creek volcaniclastic breccia complex, northwestern Ontario, Canada. Contributions to Mineralogy and Petrology, 150 (2): 212-229
Italy
 
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Oltrefiume
          • Mount Camoscio
Grill, E. (1935): I minerali del granito di Baveno, la fayalite. Periodico di Mineralogia, 129-133. - Gallitelli, P. (1936): Le miche del granito di Baveno. . Periodico di Mineralogia, 61-76 - Pagliani, G. (1948): Le Zeoliti del granito di Baveno. Periodico di Mineralogia, 175-188. - Ravagnani, D. (1974): I giacimenti uraniferi italiani - Gruppo Mineralogico Lombardo - Museo Civico di Storia Naturale di Milano, Ed., Milano, 188 pp. - min. Rec. 14 (3), 157-168 - Am. Min. 83, 1330-1334 (1998) - Am. Min. 84, 782-789 (1999). - Guastoni, A. & Pezzotta, F. (2004): Kristiansenite a Baveno, second ritrovamento Mondiale della specie. Rivista Mineralogica Italiana, 4/2004, 247-251. - Guastoni, A., Demartin, F., Pezzotta, F. (2004): Sekaninaite delle pegmatiti granitiche di Feriolo e Baveno (VB). Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano, 145, 59-68. - Mineralogist americano (2005) 90, 1442-1452.
Mellini M., Merlino S., Orlandi P., Rinaldi R.(1982): Cascandite and jervisite, two new scandium silicates from Baveno, Italy. Am. Mineral., 67, 599-603. and Mineralogical Record 14 (3), 157-168; Merlino, S. & Orlandi, P. (2006): Jervisite, NaScSi2O6: a new occurrence, chemical data and crystal structure. Periodico di Mineralogia, 75, 201-220.
      • Omegna
        • Agrano
Lapis, 13 (9), 29-33+42.
Mellini, M., Merlino, S., Orlandi, P., Rinaldi, R. (1982): Cascandite and jervisite, two new scandium silicates from Baveno, Italy. American Mineralogist, 67, 599-603.
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