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II 4i Table ApBqCrO. Z-2 Am. Z-4 RRW,;Pov. Z-4 Min. Il 4e Eur. XII 4e MghSiQ OHh? OH 1O. Ti,Nbli 4e Sov. Ca20p S H08 H20 41 Mon. H20 Ccmm Holzel, ;Pov. OH d Tab. II 8d SOY. TE OH. II 4e AI1 4c Am. VI 8b Zeit. SR,44A, ;Pov. RRW,;Holzel, ;Pov. Sil 12o ;Holzel,;Am. Srl 4f Srll 4f Sov. B1 ;SR,37A,;Am. Autunite S7A Z-1 Min. H 2O A Yz Can. Table Ap8qC rD. ExF yG z. JI 2e Min. III 8j Zeit. Table 00 ApBqCrD. OH C0 3l4 F,OH.

ExFyG z OH,CI '0. S99A Holzel, CesMn2Fe2Zr Trig. Holzel, ;Str. Ca,oAI 2. F3O, Cub. III 8f Tab. SS9A a H2O Mon. S1A Abs. OPAL Si O ,P'O. Ba5ic str. CuOS'04 H? H20 sl C2!

PyrQchlore , Oefect. Al s'O,oJ Tet. Scorodite Cerna? H20 P3, H20 C H20 Amorph. H20 R3m H20 Hex. IC2lc ,. P 42 1m ""Natrolite,Zeolite C2Im ,.

Table ApBqCrDs. H20 P H20 P 1? H20 P W Tet. H20 P2Im.. H20 A21m.. Oll OH. U02 PO. Os OHb. Na,K 2Fe. MOH g. H20 Tet. MOH s. OHh Pto. Fddd C2Ic? P04 13 OH '4. SH20 21m H20 al Mon. R 3m Orth. Zeolite H Mgor' Mg,Fe AI. Minerals from A",Bn. E,F nAa 38 21 C ,DoE,F,G. This work is the first attempt to present a The computer programs should enable the structural classification of the whole domain of plane direction with the highest density of atoms minerals, and, like any pioneer work, it will in a structure to be found, and also the structure certainly be incomplete and contain a number of to be sliced along a certain plane direction hkl.

Its aim is to relate the mineral structures in Attempts to develop such programs, namely the a natural and easy way, and this is accomplished by PRSH and the PRCM programs, were made by a structural classification and the use of structural Langlet Some interesting computer formulas. What is now required is to develop and programs are already commercially available, such improve the structural formulas, by revisiting as Diamond Bergerhoff, As Moore said , p.

So much so that, once we have a tendency decreases with the complexity of the covered the whole domain of minerals, we are in a chemical formula. This fact is possibly related to some short- confirmed to be so. Examples are: Allactite range mechanism of mineral crystallization. Some authors have proposed Considering this strong tendency towards close such measurements, examples being Zoltai and packing, one should try first to determine if the Stout and Moore One of the mineral structure fits in a close packing or not.

On the other. If a mineral minerals, the study of the relation between their structure is not based on a close packing, it is structure and properties, and relationships among however interesting to search for its close packing the minerals. If one wants to understand the analogue, and for this new computer programs are minerals and their properties one has first to use called for.

Gottardi wrote in "[ Even Strunz in certain structural formulas, on some of them, namely, cases gives more importance to the structural than Tables IS to 21S, 27S to 59S, and 73S to 78S, the to the chemical factor, for instance in placing space groups have also been indicated. This was together arsenates and phosphates on account of done whenever it was felt that a tool should be their structural similarity Tagilite-Euchorite provided to clearly distinguish a given structure group, Strunz, , pp.

In order not to On the other hand the use of the chemical plus overload the tables, however, the author has structural classification does not always lead to the resisted the temptation to generalize the use of same results. Examples are the works of Strunz such a device: when its mention was not deemed and Povarennykh, which do not present the same compulsory, the space group has not been included list of similar minerals for the same mineral group.

However, because complete A specific example is the Seidozerite group information is strongly desirable, it is forseeable Seidozerite-Lamprophyllite group, Strunz, , that, in the rather near future, the space group p. The structural classification be added to the symbol of the structure type, as avoids this ambiguity, because it has well defined proposed by Lima-de-Faria and Figueiredo rules for the organization of similarity among and Lima-de-Faria information of the minerals.

For instance, Nao[Cl]" Fm3m We are at the beginning of the structural classi- will probably become common for the structure fication of minerals. What is necessary now is to type symbol of halite. General table of mineral basic structure types. Now that we have produced the three volumes of Fm3m, and Matildite AgoBiO[S2]C P3m1 which is a the structural classification of minerals, we might substitution derivative of Halite.

By slightly dis- care to provide a bird's-eye view of the main torting or by changing the chemical elements one mineral structure types.

To do this we do not need does not change the whole structure much; to deal with all the structure types, but just select consequently the basic structure, its population, the main atomic arrangements of minerals that the distortion and substitution derivatives form a correspond to the so-called basic structure types, family, namely the assemblage of structures with and display them in a table.

Only the classified more similarity. The same is stated According to Buerger , when considering by Megaw , who gives the term aristotype to the relationships among structures, an assemblage the simplest and most symmetrical member of the of structures emerges: the derivatives, which differ structure type.

The population of a structure type very little in atomic arrangement from the basic consists of structures which have the same general structure. There are two kinds of derivatives: the structural formula and space group. With the study of the mineral replacement of certain chemical elements by families one intends to understand the changes in others. Equivalent positions are wrong they belong to Arsenoclasite. These errors have been pointed out by Dr.

Bayliss and are here very gratefully acknowledged. I am also very grateful to Tropical, in particular its Presidente Professor Ana Luisa Cunha who typed many tables and gave Joaquim Cruz e Silva, and by the Director of the much help in overcoming some computer Crystallographic and Mineralogical Center difficulties.

Professor Maria Ondina Figueiredo. Petra for assistance and revision of the structure van Steenbergen, for her interest and encourage- types and the mineral names, and to my ment in publishing this book. Bergerhoff, G. Megaw, H. A working approach. Buerger, M. Saunders Company, Philadelphia. Physics, 15, Moore, p. J Chern. A40, Supplement, C Abstracts ECM, Hamburg. Moore, P. Flake" private communication.

Langlet, G. J Appl. English translation Plenum Press, New York, Laves, E "Crystal structure and atomic size". In Strunz, H. Akademische Theory of Alloy Phases. American Soc. Concepts Lima-de-Faria, J. Burgess Publishing Company, and Parthe, E. A46, Abelsonite T. Beraunite T. Claraite T. Dachiardite T. Ferrohexahydrite T. Hydrohonessite T. Milarite T. Pascoite T. Sanjuanite T. Szmikite T. Wardsmithite T. Open navigation menu. Close suggestions Search Search.

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Download now. Save Save by-J. For Later. Original Title: by-J. Related titles. Carousel Previous Carousel Next. Journal of Physics and Chemistry of Solids 65 11— Jump to Page. Search inside document. On the other J. General table of mineral basic structure types Now that we have produced the three volumes of Fm3m, and Matildite AgoBiO[S2]C P3m1 which is a the structural classification of minerals, we might substitution derivative of Halite. The general table will be found inside the back cover of the book.

Equivalent positions are wrong they belong to Arsenoclasite p. H20 Tric. S, C 1. Zn,Fe,MntMn3u Trig. TE ",Undgrenite P Si,Al lv 8h RRW, ;Pov.

VIII 2e Pov. H20 Ca2 Ca"' Sb Mon. Table ApBqCr. Z-4 Am. Mnsu Tet. Table ApBqC,. Acta Cryst. H2O 1O] Mon. II 4e S 4e Acta Cryst. H20 Trig. Cl 'st. Co,Ni,Mn "S Mon. V1 1a Pov. H2O Amorph. Z-4 SR,42A,;Min. I Orth. I-' VI TE Tab. Vau Mon. S3 Min. Dachiardite Zeolitel. Mn,Fehopz Mon. HzO Hex. HzOh Orth. Mnm 1d ;RRW, ;Pov. Ht lzel, 90;Pov. Zn,Cu,Fe "S Mon. III 4a Acta Cryst. MgO HfOh Orth. H20Na HzO Cub. Na 24c Na H 2O Zeit.

H20 Na H 2O Mon. Na H 2O Zeit. II 2a Am. III 2a '" Pov. H20 Mon. Iv 4e Am. Z,; Holzel, NH4 H 2O 05 Mon. II 4e Zeit. Ab OH 12 Hex. H20 P 1"? II 2i Am. Ba H20l. II 4a As 4a Acta Cryst. Fe o Tric. Na4 H2O 11 Hex. N J2. H20 H 2O Olth. II 4a CI 4a Am. RRW, ; Pov. Holzel suppl.. Mg3" OHh? Pimelite ""Talc Pov. H 2O MnoAs Mon. VU 8j NaoS' Orth. V1 4a SR,m,;Am.

V1 4a IV 16t II 36t H20 CaO H20 Tric. Iv 4e ;SR,46A,;Pov. H2O 3oo[N HglJec. Na2U H2Oh Orth. II 32b Acta Cryst. S26A Holzel, S05A Tarr 9b I Mon. Cs,Na H 2 O n Cub. S" Min. KIB, ;Am. Zn2uZn 2P2 Mon. H20 Ca" H2O Mon. H2O Tric.

H 2O 4 Mon. CU3"V2 Mon. RRW, Iv 8d 33A,;Pov. Basic str. RRW,' H lzel, CuoAfS2 Tric. H20 4Ba Orth. H20 4C"03 Hex. Cuv 2a Table ApBqCrD. S29A OvI 4c S8A 0. As04,S04 4 Pa IV 8f P1. III Sf Tab. Z-2 SR,41A,;Am. S75A ,45, Abs. Abop Orth. Z-8 AI 16c P 8a Am.

MnLU, Orth. H20 P2Im Mo1v 8i P 8d Min. II 4e Am. XI 4e 38A,;Pov. SR,23,; Pov. Cal 1 d Call 2h Can. Mg,Cu oAloS2 Tric. II 2a Fel 2a Acta Cryst. Min,,60, Abs. Ba Tet. OvI 12i! Min,,80, Abs. Min,,72,; TE- Y. S c Pov. Holzel,1 08;Am. H20 Pm S c Str. II 8i ;Pov. NieoFe2o OH 16 Trig. II 4i Table ApBqCrO. Z-2 Am. Z-4 RRW,;Pov. Z-4 Min. Il 4e Eur. XII 4e MghSiQ OHh? OH 1O. Ti,Nbli 4e Sov. Ca20p S H08 H20 41 Mon. H20 Ccmm Holzel, ;Pov. OH d Tab. II 8d SOY.

TE OH. II 4e AI1 4c Am. VI 8b Zeit. SR,44A, ;Pov. RRW,;Holzel, ;Pov. Sil 12o ;Holzel,;Am. Srl 4f Srll 4f Sov. B1 ;SR,37A,;Am. Autunite S7A Z-1 Min. H 2O A Yz Can. Table Ap8qC rD.

ExF yG z. JI 2e Min. III 8j Zeit. Table 00 ApBqCrD. OH C0 3l4 F,OH. ExFyG z OH,CI '0. S99A Holzel, CesMn2Fe2Zr Trig. Holzel, ;Str. Ca,oAI 2. F3O, Cub. III 8f Tab. SS9A a H2O Mon. S1A Abs. OPAL Si O ,P'O. Ba5ic str. CuOS'04 H? H20 sl C2! PyrQchlore , Oefect. Al s'O,oJ Tet. Scorodite Cerna? H20 P3, H20 C H20 Amorph. H20 R3m H20 Hex. IC2lc ,. P 42 1m ""Natrolite,Zeolite C2Im ,. Table ApBqCrDs.