Kalborsite Mineral Data + 
|
- 77.2.7.1 Kalborsite K6Al4Si6BO20(OH)4Cl P 42m 4 2m
- VIII/J.13-10 Marialite Na4Al3Si9O24Cl I 4/m 4/m
- VIII/J.13-20 Meionite Ca4Al6Si6O24CO3 P 4/m 4/m
- VIII/J.13-25 Silvialite! (Ca,Na)4Al6Si6O24(SO4,CO3) I 4/m 4/m
- VIII/J.13-30 Sarcolite NaCa6Al4Si6O24F(?) I 4/m 4/m
- VIII/J.13-40 Kalborsite K6Al4Si6BO20(OH)4Cl P 42m 4 2m
General Kalborsite Information |
|||
 Chemical Formula: |
K6Al4Si6BO20(OH)4Cl | ||
| Composition: |
Molecular Weight = 989.63 gm | ||
| Potassium 23.70 % K 28.55 % K2O | |||
| Aluminum 10.91 % Al 20.61 % Al2O3 | |||
| Silicon 17.03 % Si 36.43 % SiO2 | |||
| Boron 1.53 % B 4.92 % B2O3 | |||
| Hydrogen 0.41 % H 3.64 % H2O | |||
| Chlorine 3.58 % Cl 3.58 % Cl | |||
| - % Cl -0.81 % -O=Cl2 | |||
| Oxygen 42.84 % O | |||
| ______ ______ | |||
| 100.00 % 96.93 % = TOTAL OXIDE | |||
| Empirical Formula: |
K6Al4Si6B1.4O22.5(OH)4Cl | ||
| Environment: |
Rims around lovozeroite in segregations of petolite, in richorrite pegmatite from a differentiated alkalic massif. | ||
| IMA Status: |
Approved IMA 1980 | ||
| Locality: |
Mount Rasvumchorr, Khibiny massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the composition (KAllium, ALuminum,BORate, and SIlicon). | ||
| Synonym: |
ICSD 34580 | ||
| PDF 33-999 | |||
Search for Kalborsite Images | |||
|
Images:
|
|
||
Kalborsite Crystallography |
|||
| Axial Ratios: |
a:c = 1:1.32575 | ||
| Cell Dimensions: |
a = 9.851, c = 13.06, Z = 2; V = 1,267.37 Den(Calc)= 2.59 | ||
| Crystal System: |
Tetragonal - ScalenohedralH-M Symbol (4 2m) Space Group: P 42m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.08(1), 2.79(0.9), 3.44(0.8),2.94(0.8), 2.08(0.5), 2.24(0.5), 3.26(0.5), | ||
Physical Properties of Kalborsite |
|||
| Cleavage: |
[110] Perfect | ||
| Color: |
Brownish pink, Colorless. | ||
| Density: |
2.5 | ||
| Diaphaniety: |
Transparent | ||
| Habit: |
Epitaxial - Crystallographic alignment with a precursor mineral | ||
| Hardness: |
6 - Orthoclase | ||
| Luster: |
Vitreous - Pearly | ||
| Streak: |
white | ||
Optical Properties of Kalborsite |
|||
| Gladstone-Dale: |
CI meas= -0.006 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.029 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2027,KPDmeas= 0.21,KC= 0.2087 |
||
| Optical Data: |
Uniaxial (+), w=1.525, e=1.525, bire=0.0000. | ||
Calculated Properties of Kalborsite |
|||
| Electron Density: |
relectron=2.48 gm/cc |
||
| Fermion Index |
Fermion Index = 0.01122 Boson Index = 0.98878 |
||
| Photoelectric: |
PEKalborsite = 3.61 barns/electron |
||
| Radioactivity: |
GRapi = 338.72 (Gamma Ray American Petroleum Institute Units) Estimated Radioactivity from Kalborsite |
||
Kalborsite Classification |
|||
| Dana Class: |
77.2.7.1 (77)Tectosilicate Zeolite group | ||
| (77.2)related species | |||
| (77.2.7)Dana Group | |||
| Strunz Class: |
VIII/J.13-40 VIII - Silicates | ||
| VIII/J - Tectosilicates (network) with anions unfamiliar to the tetraheders | |||
| VIII/J.13 - Sodalite group, Marialite - Kalborsite series | |||
Other Kalborsite Information |
|||
| References: |
NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic2) | ||
| See Also: |
Links to other databases for Kalborsite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (MinSocAm) 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Kalborsite using: Visit our Advertisers for Kalborsite : Translate Kalborsite Mineral Data : Ask about Kalborsite here : Print or Cut-and-Paste your Kalborsite Specimen Label here :
|
||
- barely detectable 
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |