![]() |
Bellbergite Mineral Data |
General Bellbergite Information |
|||
![]() |
(K,Ba,Sr)2Sr2Ca2(Ca,Na)4Al18Si18O72•30(H2O) | ||
![]() |
Molecular Weight = 3,214.44 gm | ||
Potassium 1.58 % K 1.90 % K2O | |||
Barium 1.28 % Ba 1.43 % BaO | |||
Sodium 0.50 % Na 0.67 % Na2O | |||
Strontium 6.54 % Sr 7.74 % SrO | |||
Calcium 6.61 % Ca 9.25 % CaO | |||
Aluminum 15.11 % Al 28.55 % Al2O3 | |||
Silicon 15.73 % Si 33.65 % SiO2 | |||
Hydrogen 1.88 % H 16.81 % H2O | |||
Oxygen 50.77 % O | |||
______ ______ | |||
100.00 % 100.00 % = TOTAL OXIDE | |||
![]() |
K1.3Na0.7Ca5.3Sr2.4Ba0.3Al18Si18O72•30(H2O) | ||
![]() |
Ca-rich xenoliths in leucite tephrite lava. | ||
![]() |
Approved IMA 1993 | ||
![]() |
Bellberg volcano, Mayen, Laacher See area, Eifel, Germany. Link to MinDat.org Location Data. | ||
![]() |
Named for the locality. | ||
![]() |
Bellbergite + Pronunciation ![]() |
||
![]() |
ICSD 64728 | ||
IMA1990-057 | |||
PDF 45-1482 | |||
Bellbergite Image | |||
![]() |
|
||
Bellbergite Crystallography |
|||
![]() |
a:c = 1:1.20718 | ||
![]() |
a = 13.244, c = 15.988, Z = 1; V = 2,428.64 Den(Calc)= 2.20 | ||
![]() |
Hexagonal Space Group: P 63/mmc, P 62c-, P 63mc | ||
![]() |
By Intensity(I/Io): 3.8(1), 6.58(0.8), 2.21(0.7),2.95(0.7), 1.83(0.5), 2.5(0.5), 2.7(0.5), | ||
Physical Properties of Bellbergite |
|||
![]() |
None | ||
![]() |
Colorless, White. | ||
![]() |
2.2 | ||
![]() |
Transparent | ||
![]() |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). | ||
![]() |
Pyramidal - Crystals are shaped like pyramids. | ||
![]() |
5 - Apatite | ||
![]() |
Vitreous (Glassy) | ||
![]() |
white | ||
Optical Properties of Bellbergite |
|||
![]() |
none. | ||
![]() |
none. | ||
![]() |
CI meas= -0.045 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.045 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2339,KPDmeas= 0.2339,KC= 0.2237 Ncalc = 1.49 |
||
![]() |
Uniaxial (-), e=1.507, w=1.522, bire=0.0150. | ||
Calculated Properties of Bellbergite |
|||
![]() |
Bulk Density (Electron Density)=2.20 gm/cc note: Specific Gravity of Bellbergite =2.20 gm/cc. |
||
![]() |
Fermion Index = 0.01 Boson Index = 0.99 |
||
![]() |
PEBellbergite = 14.11 barns/electron U=PEBellbergite x relectron= 31.06 barns/cc. |
||
![]() |
GRapi = 22.83 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Bellbergite |
||
Bellbergite Classification |
|||
![]() |
77.01.08.01 (77)Tectosilicate Zeolite group | ||
(77.01)true zeolites | |||
(77.01.08)Unclassified zeolite species | |||
![]() |
09.GD.20 09 - SILICATES (Germanates) | ||
09.G - Tektosilicates with Zeolitic H2O | |||
09.GD -Chains of 6-membered rings � tabular zeolites | |||
Other Bellbergite Information |
|||
![]() |
NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(37th List of New Min.,Min. Mag.,19) | ||
![]() |
Links to other databases for Bellbergite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Bellbergite using: Visit our Advertisers for Bellbergite : Ask about Bellbergite here : Print or Cut-and-Paste your Bellbergite Specimen Label here :
|
||
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.