1 Bracewellite Mineral Data
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http://webmineral.com/data/Bracewellite.shtml
2 Bracewellite: Bracewellite mineral information and data.
<m>Diaspore Group</m>. ... System: Orthorhombic: Colour: Deep red to black: Hardness: 5½ - 6½: Name: For Smith Bracewell, formerly Director, British Guyana Geological Survey, who ...
http://www.mindat.org/min-748.html
3 Bracewellite
C:\TYPESET\MDPWEB\Vol3proc.DVI
http://rruff.geo.arizona.edu/doclib/hom/bracewellite.pdf
4 Guyanaite: Guyanaite mineral information and data.
Classification of Guyanaite: IMA status: Approved: Strunz 8th edition ID: 4/F.07-60 ... 7.14.2: Bracewellite
http://www.mindat.org/min-1783.html
5 Goethite Mineral Data
04.FD.10 Bracewellite CrO(OH) Pbnm 2/m 2/m 2/m : 04.FD.10 Diaspore AlO(OH) Pbnm 2/m 2/m 2/m : 04.FD.10 Guyanaite CrO(OH) Pnnm 2/m 2/m 2/m : 04.FD.10 Groutite MnO(OH) Pbnm 2/m 2/m 2/m
http://webmineral.com/data/Goethite.shtml
6 WWW-MINCRYST information card - BRACEWELLITE
Name: BRACEWELLITE; Specification: [1], structure type - diaspore; Formula: CrO(OH) Symmetry Class: orthorhombic; Space Group: P bnm; Unit Cell Parameters:
http://database.iem.ac.ru/mincryst/s_carta.php?BRACEWELLITE
7 MINERAL NAMES*
Bracewellite, also CrO(OH), is orthorhombic, space group Pbnm, a 4.492 + 0.003, b 9.860 + 0.005, c 2.974 + 0.002A., Z = 4, G 4.45-4.48. It is isostructural with goethite and diaspore.
http://www.minsocam.org/ammin/AM62/AM62_593.pdf
8 BRACEWELLITE
BRACEWELLITE; History / Historique. Authors / Auteurs (inventeurs): MILTON & AL. Discovery date / Date de découverte: 1967; Etymology / Etymologie: Dédié à S. BRACEWELL
http://euromin.w3sites.net/mineraux/BRACEWELLITE.html
9 Bracewellite - Wikipedia
Abito cristallino Origine e giacitura Forma in cui si presenta in natura Collegamenti esterni Webmin
http://it.wikipedia.org/wiki/Bracewellite
10 AMCSD Search Results
Bracewellite: Milton C, Appleman D E, Appleman M H, Chao E C T, Cuttita F, Dinnin J I, Dwornik E J, Ingram B L, Rose H J : U.S. Geological Survey Professional Paper 887 (1976) 1-29
http://rruff.geo.arizona.edu/AMS/minerals/Bracewellite
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