Kalifersite
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About Kalifersite
Formula:
(K,Na)5Fe3+7Si20O50(OH)6 · 12H2O
Lustre:
Silky
Hardness:
2
Crystal System:
Triclinic
Name:
For the chemical composition: KALIum (Potassium), FERrum (Iron), and SIlicium (Silicon).
Type Locality:
Classification of Kalifersite
Approved
8/H.33-90
9.EE.25
9 : SILICATES (Germanates)
E : Phyllosilicates
E : Single tetrahedral nets of 6-membered rings connected by octahedral nets or octahedral bands
9 : SILICATES (Germanates)
E : Phyllosilicates
E : Single tetrahedral nets of 6-membered rings connected by octahedral nets or octahedral bands
Physical Properties of Kalifersite
Silky
Hardness:
2 on Mohs scale
Optical Data of Kalifersite
Type:
Biaxial (+)
RI values:
nα = 1.523 nβ = 1.525 nγ = 1.550
2V:
Measured: 30° , Calculated: 32°
Max Birefringence:
δ = 0.027
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:
Low
Dispersion:
not discernible
Chemical Properties of Kalifersite
Formula:
(K,Na)5Fe3+7Si20O50(OH)6 · 12H2O
IMA Formula:
K5Fe3+7Si20O50(OH)6 · 12H2O
Crystallography of Kalifersite
Crystal System:
Triclinic
Type Occurrence of Kalifersite
Synonyms of Kalifersite
Other Language Names for Kalifersite
Relationship of Kalifersite to other Species
Structurally related to group(s):
| Sepiolite Group | Related to the palygorskite group. |
Common Associates
Associated Minerals Based on Photo Data:
| Aegirine | 1 photo of Kalifersite associated with Aegirine on mindat.org. |
| Lamprophyllite | 1 photo of Kalifersite associated with Lamprophyllite on mindat.org. |
Related Minerals - Nickel-Strunz Grouping
| 9.EE.05 | Bementite | Mn7Si6O15(OH)8 | Mon. |
| 9.EE.10 | Brokenhillite | Mn8Si6O15(OH)10 | Hex. 6mm : P63mc |
| 9.EE.10 | Pyrosmalite-(Fe) | Fe2+8Si6O15(OH,Cl)10 | Trig. 3m (3 2/m) : P3m1 |
| 9.EE.10 | Friedelite | Mn2+8Si6O15(OH,Cl)10 | Mon. 2/m : B2/m |
| 9.EE.10 | Pyrosmalite-(Mn) | Mn2+8Si6O15(OH,Cl)10 | Trig. |
| 9.EE.10 | Mcgillite | (Mn,Fe)8Si6O15(OH)8Cl2 | Mon. 2/m : B2/m |
| 9.EE.15 | Nelenite | (Mn,Fe)16(Si12O30)(OH)14[As3+3O6(OH)3] | Mon. |
| 9.EE.15 | Schallerite | Mn2+16As3Si12O36(OH)17 | Trig. 3m : P3m1 |
| 9.EE.20 | Palygorskite | (Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O | Mon. 2/m : B2/m |
| 9.EE.20 | Tuperssuatsiaite | Na2Fe3Si8O20(OH)2 · 4H2O | Mon. 2/m : B2/m |
| 9.EE.20 | Yofortierite | Mn5Si8O20(OH)2 · 8-9H2O | Mon. 2/m : B2/m |
| 9.EE.20 | Windhoekite | Ca2Fe3+2.67[Si8O20](OH)4 · 10H2O | Mon. 2/m : B2/m |
| 9.EE.25 | Falcondoite | (Ni,Mg)4Si6O15(OH)2 · 6H2O | Orth. |
| 9.EE.25 | Loughlinite | Na2Mg3Si6O16 · 8H2O | Orth. |
| 9.EE.25 | Sepiolite | Mg4(Si6O15)(OH)2 · 6H2O | Orth. mmm (2/m 2/m 2/m) : Pnna |
| 9.EE.30 | Gyrolite | NaCa16Si23AlO60(OH)8 · 14H2O | Tric. 1 : P1 |
| 9.EE.30 | Orlymanite | Ca4Mn3Si8O20(OH)6 · 2H2O | Hex. |
| 9.EE.30 | Tungusite | Ca4Fe2Si6O15(OH)6 | Tric. 1 : P1 |
| 9.EE.35 | Reyerite | (Na,K)2Ca14(Si,Al)24O58(OH)8 · 6H2O | Trig. |
| 9.EE.35 | Truscottite | (Ca,Mn)14Si24O58(OH)8 · 2H2O | Trig. |
| 9.EE.40 | Natrosilite | Na2Si2O5 | Mon. |
| 9.EE.45 | Makatite | Na2Si4O8(OH)2 · 4H2O | Mon. 2/m : P21/b |
| 9.EE.50 | Varennesite | Na8Mn2Si10O25(OH,Cl)2 · 12H2O | Orth. |
| 9.EE.55 | Raite | Na4Mn2+3Ti0.25Si8O20(OH)2 · 10H2O | Orth. 2 2 2 : C2 2 2 |
| 9.EE.60 | Intersilite | Na6Mn2+Ti[Si10O24(OH)](OH)3 · 4H2O | Mon. |
| 9.EE.65 | Shafranovskite | Na3K2(Mn,Fe,Na)4[Si9(O,OH)27](OH)2 · nH2O | Trig. |
| 9.EE.65 | Zakharovite | Na4Mn5Si10O24(OH)6 · 6H2O | Trig. |
| 9.EE.70 | Zeophyllite | Ca13Si10O28(OH)2F8 · 6H2O | Trig. 3 : R3 |
| 9.EE.75 | Minehillite | (K,Na)2-3Ca28Zn4Al4Si40O112(OH)16 | Hex. |
| 9.EE.80 | Fedorite | (Na,K)2-3(Ca4Na3)Si16O38(OH,F)2 · 3.5H2O | Tric. 1 : P1 |
| 9.EE.80 | Martinite | (Na,◻,Ca)12Ca4(Si,S,B)14B2O38(OH,Cl)2F2·4H2O | Tric. 1 : P1 |
| 9.EE.85 | Lalondeite | (Na,Ca)6(Ca,Na)3Si16O38(F,OH)2·3H2O | Tric. 1 : P1 |
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 Kalifersite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
European Journal of Mineralogy (1998): 10: 865-874.
Internet Links for Kalifersite
mindat.org URL:
https://www.mindat.org/min-7127.html
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Localities for Kalifersite
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Russia (TL) | |
| [AmMin 84:991] |
Rasvumchorr Mt, Khibiny Massif, Murmansk Oblast, Russia