 | | Journal (issue) | | AMRO Bank N.V. - International Diamond & Jewelry Group Antwerp +32 3 222 0256 Mumbai* +91 22 2281 9118...Austria|Cat’s-eye apatite from Namibia|Colourchange axinite-(Mn) from Tanzania|Green fluorite from Pakistan...Willems, Gilching, Germany; Bear Williams, Stone Group Laboratories LLC, Jefferson City, Missouri, USA;...Lavender and Indigo Blue. Work on the final gem colour group (violet and purple) is in progress, and should be...doi.org/10.5741/gems. 34.2.114. Colour-change Axinite-(Mn) from Tanzania During the June 2014 JCK show |  | | Book | | a mineral belonging to the actinolitetremolite group having the nature of an asbestos. cabochon a gemstone...pyrochlore) and zircon crystals are common in Sri Lanka gemstones. The more important syngenetic mineral...mica in andalusite, chrysoberyl, kornerupine and Sri Lanka sapphire • calcite in Burmese ruby and spinel;...andalusite • sphene in ruby and spinel • uraninite in Sri Lanka sapphire • zircon in corundum. Apatite is a characteristic...well seen in some green and brown zircon from Sri Lanka. The process is called ‘metamictization and the |  | | Book (edition) | | Minerals that are listed as belonging to the same group are similarly closely comparable in composition...Cand CSPG Pennskiye gubemskiye wdomo.sti (Perm district ga=elle) Pl,ilosopl,ical Maga=ine Periodico de...Mountains,Russia,DANS 142, 181-184(sir.) Aescl1yni1e group 0 Aeschynite-(Nd),(Nd,Ce,Ca,Th)(Ti,Nb)i(O.OH)...Urstad,HitteroIsland,Norway, 61. 178 Aeschy11i1e group D Afghanite,[(Na,K)22Ca10][Si24Al14O9<,](SO.)...2105, EJM9, 21-30 (sir.) Ca11cri11ile-Sodali1e group D Afwillite,Ca,(SiO3OH)1·2H1O, mon.. compareBultfonteinite |  | | Book | | cheap. For exan, ple, in Indo nesia, lvfala ysia, Sri La nka. a nd Ind ia, local inhabitants search ri...dep o.siL.s, .such a .s the ge1n grave ls o f Sri Lanka and Burma (Ivlyann1ar), contain ~1 d i, e rse...the annual production ,vere sold ro an exclusive group 30 mil- of 26 invited bidders. The diamond colJection...elsewhe re. Jetceler'.~ worksbop in the dia m ond district of 1\Ju mbai. I ndia CHINA China is in vesting...ts. \Xfuz ho u, a s n1a ll c ity in G ua ngxi Province, is China's largesL costun1e je w e lry cente |  | | Book | | County. Arizona (by J. Lowell & T. Rybicki) 7:72-77 Axinite. hydromagnesite,amethyst and other minerals from...APOPHYLLITE Nomenclature revisions in the apophyllitc group: hydroxyapophyllite, apophyllite, fluorapophyllite...Uvite, a new (old) common member of the tounnalinc group and its implications for collections 8: I00-108...Rybicki) 7:72-77 Chalcanthite from the Helvetia district, Arizona (by G. Robinson) 9:252 Cuprite [from...Arizona (by W. A. Thompson) 11:248-250 The Tombstone district, Cochise County, Arizona (by S. A. Williams) 11:251-257 |  | | Book | | MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Administered Tribal Areas and North West Frontier Province. Ilmenite crystal clusters to 12 cm across have...of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning...hematite. Zagi [Zegi] Mountain, Warsak district, North West Frontier Province. Surface diggings worked by local...to 6 cm (2005: 120). Los Remedios mine, Taxco district, Taxco, Guerrero. Ilvaite occurs in the wallrock |  | | Book | | the individuals who made crystallographic space-group, and references to the the discoveries, and scientists...classifications were less than successful, and as a distinct group of minerals and proposed the basic often confusing...to name the new mineral in honor of a person or group, to identify the locality where the mineral was...descriptions are also in bold face. Some commonly used group names and series names are given in plain face....orthoclase, but amethystine for amethyst. Neither group. If ambiguities or options exist for the charac- |  | | Book (edition) | | to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other...site occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite...registered in this book (e.g. in the amphibole group). For more detailed information see "Dana's System...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture) |  | | 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 (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 Glossa,y 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 (edition) | | belongs to a broader group of related minerals, the name adopted for the group is given beneath the formula...editions of this book. Brieny. within each anionic group the minerals arc arranged in order determined by...those of the alkaline earths, etc. Within each group the minerals are tabulated with increasing anion...7.3 AbernalhJile. K(U00As0,.4H�O. Meta-autunite group. M.E. Thompson. B. Ingram. and E.B. G ross ( 1 956)...p. 579. Abkhazite. syn. of tremolite. Amphibole group. N.E. E fremov ( 1 940 for 1 938) Trans. 111st. |  | 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) | | 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...internally contradictory. 5A. Groups The term group refers to an aggregate or multiple (usually three...identical or closely similar structure and chemistry. A group may be named when there are several end members |  | | Book | | are defined by chemical composition, structural group, and crystal system, with one or two references...Si04) and fayalite (Fe 2 Si0 4 ) (see Olivine Group), group names, such as mica for all the minerals with...pyrite) and also to a group of minerals having the same structure pyrite group). kind of mineralogic...sense that does not refer to a mineral species or group proper, no special designating valid mineral species...2 4 ), a mineral species assigned to the spinel group because of its spinel structure; quartz syenite |
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