|
Kalifersite Mineral Data + |
General Kalifersite Information |
|||
| (K,Na)5Fe+++7Si20O50(OH)6·12(H2O) | |||
| Molecular Weight = 2,242.17 gm | |||
| Potassium 6.10 % K 7.35 % K2O | |||
| Sodium 1.54 % Na 2.07 % Na2O | |||
| Iron 17.44 % Fe 24.93 % Fe2O3 | |||
| Silicon 25.05 % Si 53.59 % SiO2 | |||
| Hydrogen 1.35 % H 12.05 % H2O | |||
| Oxygen 48.52 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| K3.5Na1.5Fe3+7Si20O50(OH)6·12(H2O) | |||
| In a hydrothermally altered pegmatite. Polysomatic series with palygorskite and sepiolite. | |||
| Approved IMA 1998 (Dana # Added) | |||
| Mt. Kukisvumchorr, Khibina massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. | |||
| For the chemical composition: KALIum (Potassium), FERrum (Iron), and SIlicium (Silicon). | |||
| ICSD 85700 | |||
| IMA1996-007 | |||
Kalifersite Image | |||
|
|
|
||
Kalifersite Crystallography |
|||
| a:b:c =0.7234:1:0.2575 | |||
| a = 14.86, b = 20.54, c = 5.29, Z = 1; alpha = 95.6°, beta = 92.3°, gamma = 94.4° V = 1,600.90 Den(Calc)= 2.33 | |||
| Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | |||
| By Intensity(I/Io): 12.36(1), 11.6(0.4), 3.411(0.37), | |||
|
Mouse |
| ||
Physical Properties of Kalifersite |
|||
| [100] Good, [010] Good | |||
| Brownish pink. | |||
| 2.28 - 2.37, Average = 2.32 | |||
| Translucent | |||
| Fibrous - Thin, elongated fractures produced by crystal forms or intersecting cleavages (e.g. asbestos). | |||
| Fibrous - Crystals made up of fibers. | |||
| 2 - Gypsum | |||
| Silky | |||
| white | |||
Optical Properties of Kalifersite |
|||
| CI meas= 0.081 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= 0.083 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2286,KPDmeas= 0.2291,KC= 0.2493 |
|||
| Biaxial (+), a=1.523, b=1.525, g=1.55, bire=0.0270, 2V(Calc)=32, 2V(Meas)=30. Dispersion not discernible. | |||
Calculated Properties of Kalifersite |
|||
relectron=2.32 gm/cc |
|||
| Fermion Index = 0.01563 Boson Index = 0.98437 |
|||
PEKalifersite = 6.72 barns/electron |
|||
| GRapi = 87.88 (Gamma Ray American Petroleum Institute Units) Estimated Radioactivity from Kalifersite |
|||
Kalifersite Classification |
|||
| 74.3.1a.4 (74)Phyllosilicate Modulated Layers | |||
| (74.3)with joined strips | |||
| (74.3.1a)Palygorskite-sepiolite group (Palygorskite subgroup) | |||
| VIII/H.33-90 VIII - Silicates | |||
| VIII/H - Phyllosilicates (layered) Mica minerals with other simple layers, [Si6O15]6- and others | |||
| VIII/H.33 - Tuperssuatsiaite - Loughlinite series | |||
Other Kalifersite Information |
|||
| NAME( MinRec) PHYS. PROP.(Eur. J. Min.,Vol.10,p865,1998) OPTIC PROP.(MinRec) | |||
| Links to other databases for Kalifersite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas 10 - WWW-MINCRYST Search for Kalifersite using: Visit our Advertisers for Kalifersite : Translate Kalifersite Mineral Data : Ask about Kalifersite here : Print or Cut-and-Paste your Kalifersite Specimen Label here :
|
|||