 | | Journal (article/letter/editorial) | | have a love/hate relationship with the chlorite group. When a green microscopic or earthy phase is the...the credit (or blame). Minerals of the chlorite group should not, however, be viewed simply as an annoying...takes the time to become familiar with the chlorite group, and looks for specimens, will discover surprisingly...Collector’s Guide to the Mica Group, and Collector’s Guide to the Epidote Group, which were recently published...expert opinion on many aspects of the chlorite group is far from unanimous. Some references include gonyerite |  | | Book | | Miguel Hortiguela, LPPO Illustrations: Crowle Art Group Printed in China The publisher gratefully acknowledges...ofjust a few minerals; quartz and the feldspar group are the most abundant processes — called biominerals...these. The other numbers and letters in the space-group formula refer to other rotations and translations...means “primitive” in a space group). Pyrite crystallizes in the space group P43, and its crystal form is...atom in the “body” of this cube. An Jin the space-group formula means that it is body-centered. An example |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Finland, Espoo, Finland. Joseph Lhoest: Liege, Belgium. John C. Lucking: Phoenix, Arizona. Emil Makovicky...Snohomish, Washington. Lourens Wals: Turnhout, Belgium. Terry C. Wallace: Dept. of Geosciences, University...Species containing more than one anion or anion group may be assigned to a separate class or may be assigned...specifies the atomic (cation to anion, or to anion group) ratio for the mineral. This and the remaining numbers...appropriate Dana number. When recognized, membership in a group is noted. Occasionally, the phrase “an inadequately |  | | Book (edition) | | extensively rewritten by the book’s distinguished group of authors in the light of new research and important...all varietal names, synonyms, spelling variants, group names, and so forth; only names in contemporary...contemporary use have been included. Most of the mineral group lists presented were taken from the Glossary of Mineral...letters pointing out that for some entries our space group, Z, and lattice constants are mutually exclusive...trigonal. Class: Classes are designated by their point group symmetry. Note that as mineralogists we use the |  | | Book | | Reflection spectra of PbCl2 single crystal (space group Pnma) obtained by light polarized parallel to a...may be observed in this interval too. The factor group method is regularly used for calculation of the...Ti–O 549–627 Tetragonal pyramid (lamprophyllite-group minerals, fresnoite, natisite, paranatisite) V...Al–O 550–630 Octahedron Al(OH)6 in ettringite-group minerals. Additionally, the band of O–Al–O bending...Si–O 720–760 Octahedron Si(OH)6 in ettringite-group minerals. Additionally, the band of O–Si–O bending |
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