Vote for your favorite mineral in #MinCup25! - Sanidine vs. Hematite
It's a pair of often-overlooked classics as potassium feldspar sanidine competes with iron ore hematite.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Downs, R. T., Gibbs, G. V., Boisen, M. B., Jr, (1990) A study of the mean-square displacement amplitudes of Si, Al, and O atoms in framework structures: Evidence for rigid bonds, order, twinning, and stacking faults. American Mineralogist, 75 (11-12) 1253-1267

Advanced
   -   Only viewable:
Reference TypeJournal (article/letter/editorial)
TitleA study of the mean-square displacement amplitudes of Si, Al, and O atoms in framework structures: Evidence for rigid bonds, order, twinning, and stacking faults
JournalAmerican Mineralogist
AuthorsDowns, R. T.Author
Gibbs, G. V.Author
Boisen, M. B.Author
Jr,Author
Year1990Volume75
Issue11-12
PublisherMineralogical Society of America
Download URLhttp://www.minsocam.org/ammin/AM75/AM75_1253.pdf+
Mindat Ref. ID528971Long-form Identifiermindat:1:5:528971:8
GUID0
Full ReferenceDowns, R. T., Gibbs, G. V., Boisen, M. B., Jr, (1990) A study of the mean-square displacement amplitudes of Si, Al, and O atoms in framework structures: Evidence for rigid bonds, order, twinning, and stacking faults. American Mineralogist, 75 (11-12) 1253-1267
Plain TextDowns, R. T., Gibbs, G. V., Boisen, M. B., Jr, (1990) A study of the mean-square displacement amplitudes of Si, Al, and O atoms in framework structures: Evidence for rigid bonds, order, twinning, and stacking faults. American Mineralogist, 75 (11-12) 1253-1267
In(1990) American Mineralogist Vol. 75 (11-12) Mineralogical Society of America

See Also

These are possibly similar items as determined by title/reference text matching only.

Boisen, M. B., Jr.,, Gibbs, G. V., Downs, R. T., D'arco, Philippe (1990) The dependence of the SiO bond length on structural parameters in coesite, the silica polymorphs, and the clathrasils. American Mineralogist, 75 (7-8) 748-754
Downs, R. T., Gibbs, G. V., Bartelmehs, K. L., Boisen, M. B., Jr., (1992) Variations of bond lengths and volumes of silicate tetrahedra with temperature. American Mineralogist, 77 (7-8) 751-757
Bartelmehs, K. L., Downs, R. T., Gibbs, G. V., Boisen, M. B., Birch, J. R. (1995) Tetrahedral rigid-body motion in silicates. American Mineralogist, 80 (7) 680-690 doi:10.2138/am-1995-7-805
Downs, R. T., Bartelmehs, K. L., Gibbs, G. V., Jr., M. B. Boisen (1993) Interactive software for calculating and displaying X-ray or neutron powder diffractometer patterns of crystalline materials. American Mineralogist, 78 (9-10) 1104-1107
Gibbs, G. V., Spackman, M. A., Boisen, M. B., Jr., (1992) Bonded and promolecule radii for molecules and crystals. American Mineralogist, 77 (7-8) 741-750
Brown, G. E., Gibbs, G. V., Ribbe, P. H. (1969) The nature and variation in length of the Si-O and Al-O bonds in framework silicates. American Mineralogist, 54 (7-8) 1044-1061
Gibbs, G. V., Downs, R. T., Cox, D. F., Ross, N. L., Boisen,, M. B., Rosso, K. M. (2008) Shared and Closed-Shell O−O Interactions in Silicates. The Journal of Physical Chemistry A, 112 (16). 3693-3699 doi:10.1021/jp076396j
Schlenker, John L., Gibbs, G. V., Boisen, Monte B. Jr. (1975) Thermal expansion coefficients for monoclinic crystals:. American Mineralogist, 60 (9-10) 828-833
Downs, R. T., Gibbs, G. V., Boisen Jr, M. B., Rosso, K. M. (2002) A comparison of procrystal and ab initio model representations of the electron-density distributions of minerals. Physics and Chemistry of Minerals, 29 (5) 369-385 doi:10.1007/s00269-001-0236-0
Zhang, Z. G., Boisen, M. B., Finger, L. W., Gibbs, G. V. (1985) Molecular mimicry of the geometry and charge density distribution of polyanions in borate minerals. American Mineralogist, 70 (11-12) 1238-1247
Boisen, Monte B. Jr., Gibbs, G. V. (1976) A derivation of the 32 crystallographic point groups using elementary group theory. American Mineralogist, 61 (1-2) 145-165
 
and/or  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 7, 2025 12:02:22
Go to top of page