Potassic-fluoro-richterite
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About Potassic-fluoro-richterite
Formula:
{K}{CaNa}{Mg5}(Si8O22)(F,OH)2
The richterite group minerals are defined as sodium-calcium amphiboles with 0.5 apfu < A(Na+K+2Ca) where Na or K is dominant, and with C(Al+Fe3++2Ti)<0.5 apfu. The W position may contain (OH),F or Cl.
Potassic-fluoro-richterite is defined with
A position: K dominant
C position: Mg dominant
W position: F dominant.
Potassic-fluoro-richterite is defined with
A position: K dominant
C position: Mg dominant
W position: F dominant.
Colour:
Brown to brownish-red, rose-red, yellow, grey-brown, also pale to dark green.
Lustre:
Vitreous
Hardness:
5 - 6
Crystal System:
Monoclinic
Member of:
Name:
For its relationship to richterite.
Originally named potassium-fluor-richterite (Della Ventura et al., 1983). Renamed as fluoro-potassic-richterite on the basis of Burke & Leake (2004). Renamed to potassic-fluoro-richterite on the basis of Hawthorne et al. (2012).
Originally named potassium-fluor-richterite (Della Ventura et al., 1983). Renamed as fluoro-potassic-richterite on the basis of Burke & Leake (2004). Renamed to potassic-fluoro-richterite on the basis of Hawthorne et al. (2012).
This page provides mineralogical data about Potassic-fluoro-richterite.
Classification of Potassic-fluoro-richterite
Approved
Approval year:
1986
8/F.09-16
9.DE.20
9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
Physical Properties of Potassic-fluoro-richterite
Vitreous
Colour:
Brown to brownish-red, rose-red, yellow, grey-brown, also pale to dark green.
Hardness:
5 - 6 on Mohs scale
Chemical Properties of Potassic-fluoro-richterite
Formula:
{K}{CaNa}{Mg5}(Si8O22)(F,OH)2
The richterite group minerals are defined as sodium-calcium amphiboles with 0.5 apfu < A(Na+K+2Ca) where Na or K is dominant, and with C(Al+Fe3++2Ti)<0.5 apfu. The W position may contain (OH),F or Cl.
Potassic-fluoro-richterite is defined with
A position: K dominant
C position: Mg dominant
W position: F dominant.
The richterite group minerals are defined as sodium-calcium amphiboles with 0.5 apfu < A(Na+K+2Ca) where Na or K is dominant, and with C(Al+Fe3++2Ti)<0.5 apfu. The W position may contain (OH),F or Cl.
Potassic-fluoro-richterite is defined with
A position: K dominant
C position: Mg dominant
W position: F dominant.
IMA Formula:
K(NaCa)Mg5Si8O22F2
Crystallography of Potassic-fluoro-richterite
Crystal System:
Monoclinic
Type Occurrence of Potassic-fluoro-richterite
Synonyms of Potassic-fluoro-richterite
Other Language Names for Potassic-fluoro-richterite
Russian:Калийфторрихтерит
Relationship of Potassic-fluoro-richterite to other Species
Member of:
Other Members of this group:
Ferro-fluoro-richterite | {Na}{CaNa}{Fe2+5}(Si8O22)F2 | |
Ferro-richterite | {Na}{CaNa}{Fe2+5}(Si8O22)(OH)2 | Mon. |
Fluoro-richterite | {Na}{CaNa}{Mg5}(Si8O22)(F,OH)2 | Mon. 2/m |
Potassic-ferro-richterite | {K}{CaNa}{Fe2+5}Si8O22(OH)2 | |
Potassic-richterite | {K}{CaNa}{Mg5}Si8O22(OH)2 | Mon. 2/m : B2/m |
Richterite | {Na}{NaCa}{Mg5}(Si8O22)(OH)2 | Mon. 2/m : B2/m |
Related Minerals - Nickel-Strunz Grouping
9.DE. | Clino-suenoite | ◻{Mn2+2}{Mg5}(Si8O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.05 | Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 | Mon. |
9.DE.05 | Clino-holmquistite Root Name Group | ◻{Li2}{Z2+3Z3+2}(Si8O22)(OH,F,Cl)2 | Mon. |
9.DE.05 | Grunerite | ◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.05 | Permanganogrunerite | ◻{Mn2+2}{Mn2+5}(Si8O22)(OH)2 | Mon. |
9.DE.05 | Ferri-fluoro-leakeite | {Na}{Na2}{Mg2Fe3+2Li}(Si8O22)F2 | Mon. 2/m : B2/m |
9.DE.10 | Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22OH2 | Mon. 2/m : B2/m |
9.DE.10 | Ferri-tschermakite | ◻{Ca2}{Mg3Fe3+2}(Al2Si6O22)(OH)2 | Mon. |
9.DE.10 | Ferro-actinolite | ◻Ca2Fe2+5(Si8O22)OH2 | Mon. |
9.DE.10 | Ferro-hornblende | ◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2 | Mon. |
9.DE.10 | Ferro-tschermakite | ◻{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.10 | Joesmithite | Pb2+Ca2(Mg3Fe3+2)(Si6Be2)O22(OH)2 | Mon. |
9.DE.10 | Magnesio-hornblende | ◻Ca2(Mg4Al)(Si7Al)O22(OH)2 | Mon. 2/m : B2/m |
9.DE.10 | Tremolite | ◻{Ca2}{Mg5}(Si8O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.10 | Tschermakite | ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.10 | Cannilloite | CaCa2(Mg4Al)(Si5Al3O22)OH2 | Mon. |
9.DE.10 | Fluoro-cannilloite | CaCa2(Mg4Al)(Si5Al3)O22F2 | Mon. |
9.DE.10 | Parvo-manganotremolite | ◻{CaMn2+}{Mg5}(Si8O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.10 | Fluoro-tremolite | ◻{Ca2}{Mg5}(Si8O22)F2 | Mon. 2/m : B2/m |
9.DE.10 | Ferro-ferri-hornblende | ◻Ca2(Fe2+4Fe3+)(AlSi7O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.15 | Edenite | NaCa2Mg5(Si7Al)O22OH2 | Mon. |
9.DE.15 | Ferro-edenite | NaCa2Fe2+5(Si7Al)O22OH2 | Mon. |
9.DE.15 | Ferro-kaersutite | NaCa2{Fe2+3AlTi}(Si6Al2O22)O2 | Mon. |
9.DE.15 | Ferro-pargasite | NaCa2(Fe2+4Al)(Si6Al2)O22(OH)2 | Mon. |
9.DE.15 | Hastingsite | NaCa2(Fe2+4Fe3+)(Si6Al2)O22OH2 | Mon. |
9.DE.15 | Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 | Mon. |
9.DE.15 | Magnesio-hastingsite | NaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 | Mon. |
9.DE.15 | Pargasite | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 | Mon. 2/m : B2/m |
9.DE.15 | Sadanagaite | {Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2 | Mon. |
9.DE.15 | Fluoro-edenite | NaCa2Mg5(Si7Al)O22F2 | Mon. 2/m : P2/m |
9.DE.15 | Potassic-ferro-ferri-sadanagaite | {K}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2 | Mon. |
9.DE.15 | Potassic-sadanagaite | {K}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2 | Mon. |
9.DE.15 | Potassic-pargasite | KCa2(Mg4Al)(Si6Al2)O22(OH)2 | Mon. |
9.DE.15 | Potassic-ferro-sadanagaite | {K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2 | Mon. |
9.DE.15 | Magnesio-fluoro-hastingsite | NaCa2(Mg4Fe3+)(Si6Al2)O22F2 | Mon. 2/m : B2/m |
9.DE.15 | Potassic-fluoro-hastingsite | KCa2(Fe2+4Fe3+)(Si6Al2)O22F2 | Mon. 2/m : B2/m |
9.DE.15 | Potassic-chloro-hastingsite | KCa2(Fe2+4Fe3+)(Si6Al2)O22Cl2 | Mon. 2/m : B2/m |
9.DE.15 | Fluoro-pargasite | NaCa2(Mg4Al)(Si6Al2)O22F2 | Mon. 2/m : B2/m |
9.DE.15 | Parvo-mangano-edenite | {Na}{CaMn2+}{Mg5}(AlSi7O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.15 | Potassic-chloro-pargasite | KCa2(Mg4Al)(Si6Al2)O22Cl2 | Mon. 2/m : B2/m |
9.DE.15 | Potassic-ferro-chloro-edenite | KCa2Fe2+5(AlSi7O22)Cl2 | |
9.DE.15 | Potassic-magnesio-hastingsite | KCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 | Mon. 2/m : B2/m |
9.DE.15 | Potassic-ferro-pargasite | KCa2(Fe2+4Al)(Si6Al2)O22(OH)2 | Mon. 2/m : B2/m |
9.DE.15 | Chromio-pargasite | {Na}{Ca2}{Mg4Cr3+}(Al2Si6O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.15 | Potassic-fluoro-pargasite | KCa2(Mg4Al)(Si6Al2)O22F2 | Mon. 2/m : B2/m |
9.DE.15 | Ferri-kaersutite | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 | Mon. 2/m : B2/m |
9.DE.15 | Vanadio-pargasite | NaCa2(Mg3+4V)(Al2Si6)O22(OH)2 | Mon. 2/m : B2/m |
9.DE.20 | Ferro-taramite | Na(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.20 | Barroisite | ◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2 | Mon. |
9.DE.20 | Ferro-ferri-barroisite | ◻(CaNa)(Fe2+3Fe3+2)(AlSi7O22)(OH)2 | |
9.DE.20 | Ferro-ferri-winchite | ◻[CaNa][Fe2+4(Fe3+,Al)]Si8O22(OH)2 | |
9.DE.20 | Ferri-barroisite | ◻(CaNa)(Mg3Fe3+2)(AlSi7O22)(OH)2 | |
9.DE.20 | Ferro-ferri-taramite | Na(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2 | |
9.DE.20 | Ferro-ferri-katophorite | Na(NaCa)(Fe2+4Fe3+)(Si7Al)O22(OH)2 | Mon. 2/m : B2/m |
9.DE.20 | Ferro-barroisite | ◻{CaNa}{Fe2+3Al2}(AlSi7O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.20 | Ferro-richterite | {Na}{CaNa}{Fe2+5}(Si8O22)(OH)2 | Mon. |
9.DE.20 | Ferro-winchite | ◻{CaNa}{Fe2+4Al}(Si8O22)(OH)2 | Mon. |
9.DE.20 | Ferro-katophorite | {Na}{CaNa}{Fe2+4Al}[(AlSi7)O22](OH)2 | Mon. 2/m : B2/m |
9.DE.20 | Ferri-katophorite | Na(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2 | Mon. |
9.DE.20 | Ferri-taramite | Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)2 | Mon. |
9.DE.20 | Magnesiotaramite | {Na}{CaNa}{Mg3AlFe3+}(Al2Si6O22)(OH)2 | Mon. |
9.DE.20 | Richterite | {Na}{NaCa}{Mg5}(Si8O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.20 | Winchite | ◻{CaNa}{Mg4Al}(Si8O22)(OH)2 | Mon. 2/m |
9.DE.20 | Taramite | {Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.20 | Fluoro-richterite | {Na}{CaNa}{Mg5}(Si8O22)(F,OH)2 | Mon. 2/m |
9.DE.20 | Katophorite | {Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2 | Mon. 2/m : B2/m |
9.DE.20 | Potassic-richterite | {K}{CaNa}{Mg5}Si8O22(OH)2 | Mon. 2/m : B2/m |
9.DE.20 | Ferri-ghoseite | ◻[Mn2+Na][Mg4Fe3+]Si8O22(OH)2 | Mon. 2/m |
9.DE.20 | Ferri-winchite | ◻[CaNa][Mg4(Fe3+,Al)]Si8O22(OH)2 | Mon. 2/m : B2/m |
9.DE.20 | Fluoro-taramite | {Na}{CaNa}{Mg3Al2}(Al2Si6O22)F2 | Mon. 2/m : B2/m |
9.DE.20 | Fluoro-katophorite | Na(CaNa)(Mg4Al)(AlSi7O22)F2 | Mon. |
9.DE.20 | Ferri-fluoro-katophorite | Na(CaNa)(Mg4Fe3+)(AlSi7O22)F2 | Mon. 2/m : B2/m |
9.DE.25 | Arfvedsonite | [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Eckermannite | NaNa2(Mg4Al}Si8O22(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Ferro-eckermannite | NaNa2(Fe2+4Al)Si8O22(OH)2 | Mon. |
9.DE.25 | Ferro-glaucophane | ◻[Na2][Fe2+3Al2]Si8O22(OH)2 | Mon. |
9.DE.25 | Glaucophane | ◻[Na2][Mg3Al2]Si8O22(OH)2 | Mon. |
9.DE.25 | Potassic-mangani-leakeite | [(Na,K)][Na2][Mg2Mn3+2Li]Si8O22(OH)2 | Mon. |
9.DE.25 | Mangano-ferri-eckermannite | {Na}{Na2}{Mn2+4Fe3+}Si8O22(OH)2 | Mon. |
9.DE.25 | Ferri-leakeite | [Na][Na2][Mg2Fe3+2Li]Si8O22(OH)2 | Mon. |
9.DE.25 | Magnesio-riebeckite | ◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2 | Mon. |
9.DE.25 | Magnesio-arfvedsonite | {Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Nybøite | NaNa2(Mg3Al2)(AlSi7O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Riebeckite | ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Mangano-mangani-ungarettiite | NaNa2(Mn2+2Mn3+3)(Si8O22)O2 | Mon. |
9.DE.25 | Ferro-ferri-nybøite | NaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Clino-ferro-ferri-holmquistite | ◻{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Ferri-nybøite | NaNa2(Mg3Fe3+2](AlSi7O22)(OH)2 | Mon. |
9.DE.25 | Ferro-ferri-leakeite | [Na][Na2][Fe2+2Fe3+2Li]Si8O22(OH)2 | Mon. |
9.DE.25 | Ferro-ferri-fluoro-leakeite | Na(Na2)(Fe2+2Fe3+2Li)(Si8O22)(F)2 | Mon. |
9.DE.25 | Sodic-ferri-clinoferroholmquistite | Na0.5{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2 | Mon. |
9.DE.25 | Magnesio-fluoro-arfvedsonite | [Na][Na2][Mg4Fe3+][Si8O22](F,OH)2 | Mon. |
9.DE.25 | Ferri-pedrizite | [Na][Li2][Mg2Fe3+2Li]Si8O22(OH)2 | Mon. |
9.DE.25 | Potassic-ferri-leakeite | [K][Na2][Mg2Fe3+2Li]Si8O22(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Fluoro-nybøite | NaNa2(Mg3Al2)(AlSi7O22)(F,OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Mangani-dellaventuraite | NaNa2(MgMn3+2Ti4+Li)Si8O22O2 | Mon. 2/m : B2/m |
9.DE.25 | Fluoro-pedrizite | NaLi2(Mg2Al2Li)(Si8O22)F2 | Mon. 2/m : B2/m |
9.DE.25 | Potassic-arfvedsonite | [(K,Na)][Na2][Fe2+4Fe3+]Si8O22(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Mangani-obertiite | NaNa2(Mg3Mn3+Ti4+)Si8O22O2 | Mon. 2/m : B2/m |
9.DE.25 | Potassic-magnesio-fluoro-arfvedsonite | [(K,Na)][Na2][Mg4Fe3+][Si8O22][(F,OH)2] | Mon. 2/m : B2/m |
9.DE.25 | Ferro-ferri-pedrizite | [Na][Li2][Fe2+2Fe3+2Li]Si8O22(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Potassic-magnesio-arfvedsonite | [K][Na2][Mg4Fe3+]Si8O22(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Pedrizite | NaLi2(LiMg2Al2)(Si8O22)(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Ferro-pedrizite | NaLi2(Fe2+2Al2Li)Si8O22(OH)2 | Mon. 2/m : B2/m |
9.DE.25 | Ferro-fluoro-pedrizite | Na(Li2)(Fe2+2Al2Li)[Si8O22]F2 | Mon. 2/m : B2/m |
9.DE.25 | Fluoro-leakeite | NaNa2(Mg2Al2Li)(Si8O22)F2 | Mon. 2/m : B2/m |
9.DE.25 | Ferro-ferri-obertiite | NaNa2(Fe2+3Fe3+Ti)Si8O22O2 | Mon. 2/m : B2/m |
9.DE.25 | Ferri-obertiite | NaNa2(Mg3Fe3+Ti)Si8O22O2 | Mon. 2/m : B2/m |
Other Information
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 Potassic-fluoro-richterite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Della Ventura, G., Maras, A., Parodi, G.C. (1983) Potassium-fluorrichterite from Monte Somma (Campania) Italy. Periodico di Mineralogia, 52, 617-630.
Carati, M. (1984): Elenco delle specie e varietà mineralogiche del Somma-Vesuvio. Notiziario del Gruppo Mineralogico Geologico Napoletano: 5: 18-32.
Carati, M. (1986) Mineralogia Vesuviana: nuove specie minerali del Somma-Vesuvio. Notiziario del Gruppo Mineralogico Geologico Napoletano: 7: 5-7.
Wagner, C., Velde, D. (1986) The mineralogy of K-richterite bearing lamproites. American Mineralogist: 71: 17-37.
Russo, M., Punzo, I., Tarallo, A. (1991) Un nuovo ed interessante ritrovamento di potassio-fluor-richterite al Somma-Vesuvio. Notiziario del Gruppo Mineralogico Geologico Napoletano: 12: 7-12.
Della Ventura, G., Parodi, G.C., Maras, A. (1992) Potassium-fluor-richterite, a new amphibole from San Vito, Monte Somma, Campania, Italy. Rendiconti dell’Accademia dei Lincei, Classe di Scienze Fisiche, Matematiche e Naturali, Serie 9: 3: 239-245.
American Mineralogist (1994): 79: 186.
Della Ventura, G., Robert, J.-L., Hawthorne, F.C. (1998) Characterization of OH-F short-range order in potassium-fluor-richterite by infrared spectroscopy in the OH-stretching region. Canadian Mineralogist: 36: 181-185.
Burke, E.A.J., Leake, B.E. (2004) "Named amphiboles": a new category of amphiboles recognized by the International Mineralogical Association (IMA), and the proper order of prefixes to be used in amphibole names. Canadian Mineralogist: 42: 1881-1883.
Mineralogical Record: 29: 169-174.
Periodico de Mineralogia-Roma: 52: 617-630.
Hawthorne, Frank C., Roberta Oberti (2006) On the classification of amphiboles. Canadian Mineralogist: 44(1): 1-21.
Hawthorne, Frank C., Oberti, Roberta, Harlow, George E., Maresch, Walter V., Martin, Robert F., Schumacer, John C., Welch, Mark D. (2012) Nomenclature of the amphibole supergroup, American Mineralogist: 97: 2031–2048.
Internet Links for Potassic-fluoro-richterite
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Localities for Potassic-fluoro-richterite
Locality List




All localities listed without proper references should be considered as questionable.
Afghanistan | |
| Tom Loomis specimen |
Australia | |
| Oberti, R., Ungaretti, L., Cannillo, E., Hawthrone, F. (1992): The behavior of Ti in Amphiboles: I. Four- and six-coordinated Ti in Richterite, European Journal of Mineralogy, Vol. 4, 425-439 |
Italy (TL) | |
| Della Ventura, G., Maras, A., Parodi, G.C. (1983): Potassium-fluorrichterite from Monte Somma (Campania) Italy. Periodico di Mineralogia, 52, 617-630. Della Ventura, G., Parodi, G.C., Maras, A. (1992): Potassium-fluor-richterite, a new amphibole from San Vito, Monte Somma, Campania, Italy. Rendiconti dell’Accademia dei Lincei, Classe di Scienze Fisiche, Matematiche e Naturali, Serie 9, 3, 239-245. |
| Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI |
Russia | |
| Shchipalkina, N. V., Pekov, I. V., Koshlyakova, N. N., Britvin, S. N., Zubkova, N. V., Varlamov, D. A., & Sidorov, E. G. (2020). Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia–Part 2: Tectosilicates. European Journal of Mineralogy, 32(1), 121-136. |
| Pekov, I.V. & Podlesnyi, A.S. (2004): Kukisvumchorr Deposit: Mineralogy of Alkaline Pegmatites and Hydrotermalites. Mineralogical Almanac, vol. 7, 140 pages + xxiv photo's pages |
USA | |
| P & E Médard collection |
Gunnar Färber | |
Mitchell R.H. and Bergman S.C. (1991) Petrology of Lamproites, Plenum Press, New-York, 447 pp | |
Barton, M. & van Bergen, M. J. 1981. Green Clinopyroxenes and Associated Phases in a Potassium-Rich Lava from the Leucite Hills, Wyoming. Contributions to Mineralogy and Petrology 77: 101-114. | |
Mitchell R.H. (1990) Mineralogical Magazine 54: 645-646 | |
Mitchell R.H. (1990) Mineralogical Magazine 54: 645-646 | |
Mitchell R.H. (1990) Mineralogical Magazine 54: 645-646 |
Walgidee Hills, Noonkanbah Station, Derby-West Kimberley Shire, Western Australia, Australia