Potassic-richterite
A valid IMA mineral species
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About Potassic-richterite
Formula:
{K}{CaNa}{Mg5}Si8O22(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-richterite is defined with
A position: K dominant
C position: Mg dominant
W position: (OH) dominant.
Potassic-richterite is defined with
A position: K dominant
C position: Mg dominant
W position: (OH) dominant.
Colour:
Straw yellow to brown colour
Lustre:
Vitreous
Hardness:
5 - 6
Specific Gravity:
3.075 (Calculated)
Crystal System:
Monoclinic
Member of:
This page provides mineralogical data about Potassic-richterite.
Unique Identifiers
Mindat ID:
7247
Long-form identifier:
mindat:1:1:7247:8
GUID
(UUID V4):
(UUID V4):
289a8c01-1fb6-47b0-b87a-aa9968e5276d
IMA Classification of Potassic-richterite
Approved
IMA Formula:
K(NaCa)Mg5Si8O22(OH)2
Approval year:
2018
First published:
2019
Approval history:
2012: "Named amphibole" (in accordance with the IMA-approved nomenclature, but not formally approved as a species)
IMA 2018: Approved (IMA No. 2017-102)
IMA 2018: Approved (IMA No. 2017-102)
Type description reference:
Classification of Potassic-richterite
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
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Prct | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Potassic-richterite
Vitreous
Transparency:
Translucent
Colour:
Straw yellow to brown colour
Comment:
In thin sections transparent and pale yellow
Streak:
Greyish white
Hardness:
5 - 6 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
along {110}
along {110}
Density:
3.075 g/cm3 (Calculated)
Comment:
could not be measured directly due to the foreign mineral inclusions in the crystals
Optical Data of Potassic-richterite
Type:
Biaxial (-)
RI values:
nα = 1.615(5) nβ = 1.625(5) nγ = 1.635(5)
2V:
Measured: 75° (5)
Max Birefringence:
δ = 0.020
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
Dispersion is weak, râ<âv
Pleochroism:
Not Visible
Chemistry of Potassic-richterite
Mindat Formula:
{K}{CaNa}{Mg5}Si8O22(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-richterite is defined with
A position: K dominant
C position: Mg dominant
W position: (OH) 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-richterite is defined with
A position: K dominant
C position: Mg dominant
W position: (OH) dominant.
Crystallography of Potassic-richterite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 9.9977(3) Å, b = 18.0409(4) Å, c = 5.2794(2) Å
β = 104.465(4)°
β = 104.465(4)°
Ratio:
a:b:c = 0.554 : 1 : 0.293
Unit Cell V:
922.05 Ă
Âł (Calculated from Unit Cell)
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3a: Earthâs earliest Hadean crust | >4.50 |
7 : Ultramafic igneous rocks | |
High-đ alteration and/or metamorphism | |
31 : Thermally altered carbonate, phosphate, and iron formations | |
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks | |
36 : Carbonatites, kimberlites, and related igneous rocks |
Type Occurrence of Potassic-richterite
Co-Type Localities:
General Appearance of Type Material:
Subhedral to anhedral short-prismatic crystals and commonly elongated along [001] with average crystal size of 1â2 mm, exceptionally up to 4 mm long
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Department of Geosciences, Swedish Museum of Natural History, Box 50007, SE-10405 Stockholm, Sweden, collection number NRM19311387
Empirical Formula of Type Material:
(K0.61Na0.30Pb0.02)ÎŁ0.93(Na1.14Ca0.79Mn0.07)ÎŁ2(Mg4.31Mn0.47Fe3+0.20)ÎŁ5(Si7.95Al0.04Fe3+0.01)ÎŁ8O22(OH1.82F0.18)ÎŁ2
Associated Minerals at Type Locality:
Reference:
Holtstam, D., CĂĄmara, F., Skogby, H., Karlsson, A., Langhof, J. (2019): Description and recognition of potassic-richterite, an amphibole supergroup mineral from the Pajsberg ore field, VĂ€rmland, Sweden. Mineralogy and Petrology, 113: 7-16
Synonyms of Potassic-richterite
Other Language Names for Potassic-richterite
Varieties of Potassic-richterite
Strontium-bearing Potassic-richterite | A Sr rich variety of Potassicrichterite up to contents Ca/Sr ~ 1/1. The variety was described from Kedrovyi massif by A.A. Konev in 1988. |
Relationship of Potassic-richterite to other Species
Member of:
Other Members of this group:
Ferro-richterite | {Na}{CaNa}{Fe2+5}(Si8O22)(OH)2 | Mon. 2/m : B2/m |
Fluoro-richterite | {Na}{CaNa}{Mg5}(Si8O22)(F,OH)2 | Mon. 2/m : B2/m |
Potassic-ferro-richterite | {K}{CaNa}{Fe2+5}Si8O22(OH)2 | |
Potassic-fluoro-richterite | {K}{CaNa}{Mg5}(Si8O22)(F,OH)2 | Mon. 2/m : B2/m |
Richterite | Na(NaCa)Mg5(Si8O22)(OH)2 | Mon. 2/m : B2/m |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
9.DE. | Clino-suenoite | â»{Mn2+2}{Mg5}(Si8O22)(OH)2 |
9.DE. | Scandio-winchite | â»(NaCa)(Mg4Sc)(Si8O22)(OH)2 |
9.DE. | Mangani-eckermannite | NaNa2(Mg4Mn3+)Si8O22(OH)2 |
9.DE.05 | Cummingtonite | â»{Mg2}{Mg5}(Si8O22)(OH)2 |
9.DE.05 | Clino-holmquistite Root Name Group | â»{Li2}{Z2+3Z3+2}(Si8O22)(OH,F,Cl)2 |
9.DE.05 | Grunerite | â»{Fe2+2}{Fe2+5}(Si8O22)(OH)2 |
9.DE.05 | Permanganogrunerite | â»{Mn2+2}{Mn2+5}(Si8O22)(OH)2 |
9.DE.05 | Ferri-fluoro-leakeite | {Na}{Na2}{Mg2Fe3+2Li}(Si8O22)F2 |
9.DE.10 | Actinolite | â»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
9.DE.10 | Ferro-ferri-tschermakite | â»{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)(OH)2 |
9.DE.10 | Ferri-tschermakite | â»{Ca2}{Mg3Fe3+2}(Al2Si6O22)(OH)2 |
9.DE.10 | Ferro-actinolite | â»Ca2Fe2+5(Si8O22)(OH)2 |
9.DE.10 | Ferro-hornblende | â»Ca2(Fe2+4Al)(Si7Al)O22(OH)2 |
9.DE.10 | Ferro-tschermakite | â»{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2 |
9.DE.10 | Joesmithite | Pb2+Ca2(Mg3Fe3+2)(Si6Be2)O22(OH)2 |
9.DE.10 | Magnesio-hornblende | â»Ca2(Mg4Al)(Si7Al)O22(OH)2 |
9.DE.10 | Tremolite | â»Ca2Mg5(Si8O22)(OH)2 |
9.DE.10 | Tschermakite | â»(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 |
9.DE.10 | Cannilloite | CaCa2(Mg4Al)(Si5Al3O22)OH2 |
9.DE.10 | Fluoro-cannilloite | CaCa2(Mg4Al)(Si5Al3)O22F2 |
9.DE.10 | Parvo-manganotremolite | â»{CaMn2+}{Mg5}(Si8O22)(OH)2 |
9.DE.10 | Fluoro-tremolite | â»Ca2Mg5(Si8O22)F2 |
9.DE.10 | Magnesio-fluoro-hornblende | â»Ca2Mg5(AlSi7O22)F2 |
9.DE.10 | Ferro-fluoro-hornblende | â»Ca2(Fe2+4Al)(AlSi7O22)F2 |
9.DE.10 | Ferro-ferri-hornblende | â»Ca2(Fe2+4Fe3+)(AlSi7O22)(OH)2 |
9.DE.10 | Magnesio-ferri-hornblende | â»Ca2(Mg4Fe3+)[(Si7Al)O22](OH)2 |
9.DE.10 | Ferro-cannilloite | CaCa2(Fe2+4Al)(Si5Al3O22)OH2 |
9.DE.10 | Ferro-ferri-cannilloite | CaCa2(Fe2+4Fe3+)(Si5Al3O22)OH2 |
9.DE.10 | Ferro-fluoro-actinolite | â»{Ca2}{Fe5}(Si8O22)F2 |
9.DE.10 | Magnesio-ferri-fluoro-hornblende | â»Ca2(Mg4Fe3+)(AlSi7O22)F2 |
9.DE.10 | Ferro-ferri-fluoro-hornblende | â»Ca2(Fe2+4Fe3+)(AlSi7O22)F2 |
9.DE.10 | Ferri-fluoro-tschermakite | â»{Ca2}{Mg3Fe3+2}(Al2Si6O22)F2 |
9.DE.10 | Ferro-ferri-fluoro-tschermakite | â»{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)F2 |
9.DE.10 | Ferro-fluoro-tschermakite | â»{Ca2}{Fe2+3Al2}(Al2Si6O22)F2 |
9.DE.10 | Fluoro-tschermakite | â»{Ca2}{Mg3Al2}(Al2Si6O22)F2 |
9.DE.10 | Clino-ferro-suenoite | â»{Mn2+2}{Fe2+5}(Si8O22)(OH)2 |
9.DE.15 | Edenite | NaCa2Mg5(Si7Al)O22(OH)2 |
9.DE.15 | Ferro-edenite | NaCa2Fe2+5(Si7Al)O22(OH)2 |
9.DE.15 | Ferro-kaersutite | NaCa2{Fe2+3AlTi}(Si6Al2O22)O2 |
9.DE.15 | Ferro-pargasite | NaCa2(Fe2+4Al)(Si6Al2)O22(OH)2 |
9.DE.15 | Hastingsite | NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 |
9.DE.15 | Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
9.DE.15 | Magnesio-hastingsite | NaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 |
9.DE.15 | Pargasite | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 |
9.DE.15 | Sadanagaite | {Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2 |
9.DE.15 | Fluoro-edenite | NaCa2Mg5(Si7Al)O22F2 |
9.DE.15 | Potassic-ferro-ferri-sadanagaite | {K}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2 |
9.DE.15 | Ferro-ferri-sadanagaite | {Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2 |
9.DE.15 | Potassic-sadanagaite | {K}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2 |
9.DE.15 | Potassic-pargasite | KCa2(Mg4Al)(Si6Al2)O22(OH)2 |
9.DE.15 | Potassic-ferro-sadanagaite | {K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2 |
9.DE.15 | Magnesio-fluoro-hastingsite | NaCa2(Mg4Fe3+)(Si6Al2)O22F2 |
9.DE.15 | Ferro-chloro-pargasite | NaCa2(Fe2+4Al)(Al2Si6O22)Cl2 |
9.DE.15 | Potassic-fluoro-hastingsite | KCa2(Fe2+4Fe3+)(Si6Al2)O22F2 |
9.DE.15 | Potassic-chloro-hastingsite | KCa2(Fe2+4Fe3+)(Si6Al2)O22Cl2 |
9.DE.15 | Fluoro-pargasite | NaCa2(Mg4Al)(Si6Al2)O22F2 |
9.DE.15 | Parvo-mangano-edenite | {Na}{CaMn2+}{Mg5}(AlSi7O22)(OH)2 |
9.DE.15 | Fluoro-hastingsite | NaCa2(Fe2+4Fe3+)(Al2Si6O22)F2 |
9.DE.15 | Potassic-chloro-pargasite | KCa2(Mg4Al)(Si6Al2)O22Cl2 |
9.DE.15 | Ferro-fluoro-pargasite | (Na)(Ca2)(Fe2+4Al)(Al2Si6O22)F2 |
9.DE.15 | Potassic-ferro-chloro-edenite | KCa2Fe2+5(AlSi7O22)Cl2 |
9.DE.15 | Potassic-magnesio-hastingsite | KCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 |
9.DE.15 | Potassic-ferro-pargasite | KCa2(Fe2+4Al)(Si6Al2)O22(OH)2 |
9.DE.15 | Potassic-hastingsite | KCa2(Fe2+4Fe3+)(Al2Si6O22)(OH)2 |
9.DE.15 | Chromio-pargasite | NaCa2(Mg4Cr)(Si6Al2)O22(OH)2 |
9.DE.15 | Potassic-fluoro-pargasite | KCa2(Mg4Al)(Si6Al2)O22F2 |
9.DE.15 | Ferri-kaersutite | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
9.DE.15 | Ferro-fluoro-edenite | NaCa2Fe2+5(AlSi7O22)F2 |
9.DE.15 | Ferri-sadanagaite | {Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2 |
9.DE.15 | Ferro-sadanagaite | {Na}{Ca2}{Fe3Al2}(Al3Si5O22)(OH)2 |
9.DE.15 | Ferri-fluoro-sadanagaite | {Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)F2 |
9.DE.15 | Ferro-ferri-fluoro-sadanagaite | {Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)F2 |
9.DE.15 | Ferro-fluoro-sadanagaite | {Na}{Ca2}{Fe2+3Al2}(Al3Si5O22)F2 |
9.DE.15 | Fluoro-sadanagaite | {Na}{Ca2}{Mg3Al2}(Al3Si5O22)F2 |
9.DE.15 | Potassic-chloro-sadanagaite | {K}{Ca2}{Mg3Al2}(Al3Si5O22)Cl2 |
9.DE.15 | Potassic-ferro-chloro-sadanagaite | {K}{Ca2}{Fe2+3Al2}(Al3Si5O22)Cl2 |
9.DE.15 | Oxo-magnesio-hastingsite | NaCa2(Mg3(Fe3+2-x,Tix))5(Si6Al2O22)O2 |
9.DE.15 | Unnamed (F-dominant analogue of Ferri-kaersutite) | (Na,K)Ca2[Mg3(Fe3+,Fe2+)Ti](Si6Al2O22)(F,O)2 |
9.DE.15 | Vanadio-pargasite | NaCa2(Mg3+4V)(Al2Si6)O22(OH)2 |
9.DE.15 | Mangani-pargasite | NaCa2(Mg4Mn3+)(Si6Al2)O22(OH)2 |
9.DE.20 | Potassic-ferro-ferri-katophorite | {K}{CaNa}{Fe2+4Fe3+}[(AlSi7)O22](OH)2 |
9.DE.20 | Ferro-taramite | Na(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2 |
9.DE.20 | Barroisite | â»{CaNa}{Mg3Al2}(AlSi7O22)(OH)2 |
9.DE.20 | Ferro-ferri-barroisite | â»(CaNa)(Fe2+3Fe3+2)(AlSi7O22)(OH)2 |
9.DE.20 | Ferro-ferri-winchite | â»[CaNa][Fe2+4(Fe3+,Al)]Si8O22(OH)2 |
9.DE.20 | Ferri-barroisite | â»(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 |
9.DE.20 | Ferro-barroisite | â»{CaNa}{Fe2+3Al2}(AlSi7O22)(OH)2 |
9.DE.20 | Ferro-richterite | {Na}{CaNa}{Fe2+5}(Si8O22)(OH)2 |
9.DE.20 | Ferro-winchite | â»{CaNa}{Fe2+4Al}(Si8O22)(OH)2 |
9.DE.20 | Ferro-katophorite | {Na}{CaNa}{Fe2+4Al}[(AlSi7)O22](OH)2 |
9.DE.20 | Ferri-katophorite | Na(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2 |
9.DE.20 | Ferri-taramite | Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)2 |
9.DE.20 | Magnesiotaramite | {Na}{CaNa}{Mg3AlFe3+}(Al2Si6O22)(OH)2 |
9.DE.20 | Richterite | Na(NaCa)Mg5(Si8O22)(OH)2 |
9.DE.20 | Winchite | â»{CaNa}{Mg4Al}(Si8O22)(OH)2 |
9.DE.20 | Taramite | Na(CaNa)(Mg3Al2)(Al2Si6O22)(OH)2 |
9.DE.20 | Fluoro-richterite | {Na}{CaNa}{Mg5}(Si8O22)(F,OH)2 |
9.DE.20 | Katophorite | {Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2 |
9.DE.20 | Potassic-fluoro-richterite | {K}{CaNa}{Mg5}(Si8O22)(F,OH)2 |
9.DE.20 | Potassic-fluoro-katophorite | K(CaNa)(Mg4Al)(AlSi7O22)F2 |
9.DE.20 | Ferro-fluoro-katophorite | Na(CaNa)(Fe2+4Al)(AlSi7O22)F2 |
9.DE.20 | Ferro-ferri-fluoro-katophorite | Na(CaNa)(Fe2+4Fe3+)(AlSi7O22)F2 |
9.DE.20 | Ferri-ghoseite | â»[Mn2+Na][Mg4Fe3+]Si8O22(OH)2 |
9.DE.20 | Ferri-winchite | â»(NaCa)(Mg4Fe3+)Si8O22(OH)2 |
9.DE.20 | Fluoro-taramite | {Na}{CaNa}{Mg3Al2}(Al2Si6O22)F2 |
9.DE.20 | Ferro-fluoro-richterite | {Na}{CaNa}{Fe2+5}(Si8O22)F2 |
9.DE.20 | Fluoro-katophorite | Na(CaNa)(Mg4Al)(AlSi7O22)F2 |
9.DE.20 | Potassic-ferri-katophorite | K(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2 |
9.DE.20 | Potassic-ferro-richterite | {K}{CaNa}{Fe2+5}Si8O22(OH)2 |
9.DE.20 | Ferri-fluoro-katophorite | Na(CaNa)(Mg4Fe3+)(AlSi7O22)F2 |
9.DE.20 | Potassic-ferro-taramite | K{CaNa}{Fe2+3Al2}{Si6Al2}O22(OH)2 |
9.DE.20 | Fluoro-winchite | â»{CaNa}{Mg4Al}(Si8O22)F2 |
9.DE.20 | Ferro-fluoro-winchite | â»{CaNa}{Fe2+4Al}(Si8O22)F2 |
9.DE.20 | Ferri-fluoro-barroisite | â»{CaNa}{Mg3Fe3+2}(AlSi7O22)F2 |
9.DE.20 | Ferro-fluoro-barroisite | â»{CaNa}{Fe2+3Al2}(AlSi7O22)F2 |
9.DE.20 | Ferro-ferri-fluoro-barroisite | â»{CaNa}{Fe2+3Fe3+2}(AlSi7O22)F2 |
9.DE.20 | Fluoro-barroisite | â»{CaNa}{Mg3Al2}(AlSi7O22)F2 |
9.DE.20 | Ferri-fluoro-taramite | Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)F2 |
9.DE.20 | Ferro-ferri-fluoro-taramite | Na(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)F2 |
9.DE.20 | Ferro-fluoro-taramite | Na(CaNa)(Fe2+3Al2)(Al2Si6O22)F2 |
9.DE.20 | Potassic-ferri-taramite | K(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH) |
9.DE.20 | Ghoseite | â»[Mn2+Na][Mg4Al]Si8O22(OH)2 |
9.DE.20 | Potassic-ferro-ferri-taramite | K(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2 |
9.DE.20 | Clinoferroholmquistite | â»Li2[Fe2+3Al2]Si8O22(OH,F)2 |
9.DE.20 | Hjalmarite | {Na}(NaMn}{Mg5}Si8O22(OH)2 |
9.DE.25 | Arfvedsonite | [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2 |
9.DE.25 | Eckermannite | NaNa2(Mg4Al}Si8O22(OH)2 |
9.DE.25 | Ferro-eckermannite | NaNa2(Fe2+4Al)Si8O22(OH)2 |
9.DE.25 | Ferro-glaucophane | â»[Na2][Fe2+3Al2]Si8O22(OH)2 |
9.DE.25 | Glaucophane | â»[Na2][Mg3Al2]Si8O22(OH)2 |
9.DE.25 | Potassic-mangani-leakeite | [(Na,K)][Na2][Mg2Mn3+2Li]Si8O22(OH)2 |
9.DE.25 | Mangano-ferri-eckermannite | {Na}{Na2}{Mn2+4Fe3+}Si8O22(OH)2 |
9.DE.25 | Ferri-leakeite | [Na][Na2][Mg2Fe3+2Li]Si8O22(OH)2 |
9.DE.25 | Magnesio-riebeckite | â»{Na2}{Mg3Fe3+2}(Si8O22)(OH)2 |
9.DE.25 | Magnesio-arfvedsonite | {Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2 |
9.DE.25 | NybĂžite | NaNa2(Mg3Al2)(AlSi7O22)(OH)2 |
9.DE.25 | Riebeckite | â»[Na2][Fe2+3Fe3+2]Si8O22(OH)2 |
9.DE.25 | Mangano-mangani-ungarettiite | NaNa2(Mn2+2Mn3+3)(Si8O22)O2 |
9.DE.25 | Ferro-ferri-nybĂžite | NaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2 |
9.DE.25 | Clino-ferro-ferri-holmquistite | â»{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2 |
9.DE.25 | Ferri-nybĂžite | NaNa2(Mg3Fe3+2](AlSi7O22)(OH)2 |
9.DE.25 | Ferro-ferri-leakeite | [Na][Na2][Fe2+2Fe3+2Li]Si8O22(OH)2 |
9.DE.25 | Ferro-ferri-fluoro-leakeite | Na(Na2)(Fe2+2Fe3+2Li)(Si8O22)(F)2 |
9.DE.25 | Sodic-ferri-clinoferroholmquistite | Na0.5{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2 |
9.DE.25 | Magnesio-fluoro-arfvedsonite | [Na][Na2][Mg4Fe3+][Si8O22](F,OH)2 |
9.DE.25 | Ferri-pedrizite | [Na][Li2][Mg2Fe3+2Li]Si8O22(OH)2 |
9.DE.25 | Potassic-ferri-leakeite | [K][Na2][Mg2Fe3+2Li]Si8O22(OH)2 |
9.DE.25 | Fluoro-nybĂžite | NaNa2(Mg3Al2)(AlSi7O22)(F,OH)2 |
9.DE.25 | Mangano-ferri-fluoro-leakeite | NaNa2(Mn2+2Fe3+2Li)[Si8O22]F2 |
9.DE.25 | Clino-fluoro-holmquistite | â»{Li2}{Mg3Al2}(Si8O22)F2 |
9.DE.25 | Mangani-dellaventuraite | NaNa2(MgMn3+2Ti4+Li)Si8O22O2 |
9.DE.25 | Fluoro-pedrizite | NaLi2(Mg2Al2Li)(Si8O22)F2 |
9.DE.25 | Potassic-arfvedsonite | [(K,Na)][Na2][Fe2+4Fe3+]Si8O22(OH)2 |
9.DE.25 | Mangani-obertiite | NaNa2(Mg3Mn3+Ti4+)Si8O22O2 |
9.DE.25 | Ferro-nybĂžite | NaNa2(Fe2+3Al2)(AlSi7)O22(OH)2 |
9.DE.25 | Clino-sodic-fluoro-holmquistite | {Na}{Li2}{Mg4Al}(Si8O22)F2 |
9.DE.25 | Potassic-magnesio-fluoro-arfvedsonite | [(K,Na)][Na2][Mg4Fe3+][Si8O22][(F,OH)2] |
9.DE.25 | Ferro-ferri-pedrizite | [Na][Li2][Fe2+2Fe3+2Li]Si8O22(OH)2 |
9.DE.25 | Potassic-magnesio-arfvedsonite | [K][Na2][Mg4Fe3+]Si8O22(OH)2 |
9.DE.25 | Ferro-fluoro-glaucophane | â»[Na2][Fe2+3Al2]Si8O22F2 |
9.DE.25 | Pedrizite | NaLi2(LiMg2Al2)(Si8O22)(OH)2 |
9.DE.25 | Ferro-pedrizite | NaLi2(Fe2+2Al2Li)Si8O22(OH)2 |
9.DE.25 | Ferro-fluoro-pedrizite | Na(Li2)(Fe2+2Al2Li)[Si8O22]F2 |
9.DE.25 | Fluoro-leakeite | NaNa2(Mg2Al2Li)(Si8O22)F2 |
9.DE.25 | Ferro-ferri-obertiite | NaNa2(Fe2+3Fe3+Ti)Si8O22O2 |
9.DE.25 | Fluoro-glaucophane | â»[Na2][Mg3Al2]Si8O22F2 |
9.DE.25 | Fluoro-riebeckite | â»{Na2}{Fe2+3Fe3+2}(Si8O22)F2 |
9.DE.25 | Magnesio-fluoro-riebeckite | â»{Na2}{Mg3Fe3+2}(Si8O22)F2 |
9.DE.25 | Fluoro-eckermannite | NaNa2(Mg4Al}Si8O22F2 |
9.DE.25 | Ferro-fluoro-eckermannite | NaNa2(Fe2+4Al}Si8O22F2 |
9.DE.25 | Fluoro-arfvedsonite | [Na][Na2][Fe2+4Fe3+]Si8O22F2 |
9.DE.25 | Ferri-fluoro-nybĂžite | NaNa2(Mg3Fe3+2)(AlSi7O22)F2 |
9.DE.25 | Ferro-ferri-fluoro-nybĂžite | NaNa2(Fe2+3Fe3+2)(AlSi7O22)F2 |
9.DE.25 | Ferro-fluoro-nybĂžite | NaNa2(Fe2+3Al2)(AlSi7O22)F2 |
9.DE.25 | Ferro-leakeite | NaNa2(Fe2+2Al2Li)(Si8O22)(OH)2 |
9.DE.25 | Leakeite | NaNa2(Mg2Al2Li)(Si8O22)(OH)2 |
9.DE.25 | Potassic-leakeite | KNa2(Mg2Al2Li)(Si8O22)(OH)2 |
9.DE.25 | Ferri-fluoro-pedrizite | NaLi2(LiMg2Fe3+2)(Si8O22)F2 |
9.DE.25 | Ferro-ferri-fluoro-pedrizite | NaLi2(LiFe2+2Fe3+2)(Si8O22)F2 |
9.DE.25 | Clino-ferro-ferri-fluoro-holmquistite | â»{Li2}{Fe2+3Fe3+2}(Si8O22)F2 |
9.DE.25 | Clino-ferri-fluoro-holmquistite | â»{Li2}{Mg3Fe3+2}(Si8O22)F2 |
9.DE.25 | Clino-ferro-fluoro-holmquistite | â»{Li2}{Fe2+3Al2}(Si8O22)F2 |
9.DE.25 | Ferri-obertiite | NaNa2(Mg3Fe3+Ti)Si8O22O2 |
9.DE.25 | Oxo-mangani-leakeite | NaNa2(Mn3+4Li)Si8O22O2 |
9.DE.25 | Oxo-pargasite | NaCa2(Mg3(Al2-x,Tix))5(Si6Al2O22)O2 |
9.DE.25 | Unnamed (Possible K-analogue of Ferri-obertiite) | KNa2((Mg,Fe,Na)3Fe3+(Ti,Fe))Si8O22(O,F)2 |
9.DE.25 | Potassic-mangano-mangani-ungarettiite | KNa2(Mn2+2Mn3+3)Si8O22O2 |
9.DE.25 | Potassic-jeanlouisite | K(NaCa)(Mg4Ti)Si8O22O2 |
Fluorescence of Potassic-richterite
No fluorescence effects have been observed under ultraviolet light
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.
Internet Links for Potassic-richterite
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https://www.mindat.org/min-7247.html
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References for Potassic-richterite
Reference List:
Mazdab, F. K. (2003) The diversity and occurrence of potassium-dominant amphiboles. The Canadian Mineralogist, 41 (6) 1329-1344 doi:10.2113/gscanmin.41.6.1329
Hawthorne, F. C., Oberti, R. (2006) On the classification of amphiboles. The Canadian Mineralogist, 44 (1) 1-21 doi:10.2113/gscanmin.44.1.1
Hawthorne, F. C., Oberti, R., Harlow, G. E., Maresch, W. V., Martin, R. F., Schumacher, J. C., Welch, M. D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist, 97 (11) 2031-2048 doi:10.2138/am.2012.4276
Localities for Potassic-richterite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Canada | |
| HorvĂĄth et al. (2019) |
China | |
| Sheng-Yan Gu et al. (2006) |
Czech Republic | |
| Elsevier. +1 other reference |
Finland | |
| O'Brien |
| Kresten et al. (1977) +2 other references |
France | |
| Velde (1967) +3 other references |
Germany | |
| BlaĂ (2021) |
India | |
| Gupta et al. (1986, September) +2 other references |
| Kaur et al. (2016) +1 other reference |
Saini et al. (2022) | |
Italy | |
| Pavel M. Kartashov analytical data |
| Zaccarini et al. (2004) |
| Stefanini +4 other references |
S. Conticelli | |
Russia | |
| DumaĆska-SĆowik et al. (2022) |
dan weinrich | |
| Pavel.M. Kartashov (n.d.) |
| Konopleva et al. (2008) |
Konopleva et al. (2008) | |
Konopleva et al. (2008) | |
Konopleva et al. (2008) | |
Konopleva et al. (2008) | |
Konopleva et al. (2008) | |
| Rezvukhin +3 other references |
| Ashchepkov et al. (2021) |
Serbia | |
| GliĆĄic +2 other references |
South Africa | |
| S.E. Haggerty et al. (1983) |
| Haggerty et al. (1983) |
Spain | |
| Oberti et al. (1992) |
| Nobel +5 other references |
| essai de synthese. Bulletin de la Société géologique de France (3) +5 other references |
| Nobel +11 other references |
| Nobel +3 other references |
| FĂșster et al. (prov. de Murcia) +4 other references |
Sweden | |
| Holtstam et al. (1999) |
| Mineralogical Magazine +1 other reference |
| Mineralogical Magazine +1 other reference |
Turkey | |
| Recommendations of the International ... +11 other references |
UK | |
| Shand (1939) +16 other references |
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Kedrovyi alkaline massif, Murunskii Massif, Chara and Tokko Rivers Confluence, Aldan Shield, Russia