Articles | Volume 34, issue 6
Eur. J. Mineral., 34, 523–538, 2022
Eur. J. Mineral., 34, 523–538, 2022
Research article
01 Nov 2022
Research article | 01 Nov 2022

TotBlocks: exploring the relationships between modular rock-forming minerals with 3D-printed interlocking brick modules

Derek D. V. Leung and Paige E. dePolo

Related subject area

New minerals and systematic mineralogy
Ferri-taramite, a new member of the amphibole supergroup, from the Jakobsberg Mn–Fe deposit, Värmland, Sweden
Dan Holtstam, Fernando Cámara, Andreas Karlsson, Henrik Skogby, and Thomas Zack
Eur. J. Mineral., 34, 451–462,,, 2022
Short summary
Ferro-ferri-holmquistite, Li2(Fe2+3Fe3+2)Si8O22(OH)2, Fe2+Fe3+ analogue of holmquistite, from the Iwagi islet, Ehime, Japan
Mariko Nagashima, Teruyoshi Imaoka, Takashi Kano, Jun-ichi Kimura, Qing Chang, and Takashi Matsumoto
Eur. J. Mineral., 34, 425–438,,, 2022
Short summary
Tomsquarryite, NaMgAl3(PO4)2(OH)6 8H2O, a new crandallite-derivative mineral from Tom's phosphate quarry, Kapunda, South Australia
Peter Elliott, Ian E. Grey, William G. Mumme, Colin M. MacRae, and Anthony R. Kampf
Eur. J. Mineral., 34, 375–383,,, 2022
Short summary
Graulichite-(La), LaFe3+3(AsO4)2(OH)6, a new addition to the alunite supergroup from the Patte d'Oie mine, Bou Skour mining district, Morocco
Cristian Biagioni, Marco E. Ciriotti, Georges Favreau, Daniela Mauro, and Federica Zaccarini
Eur. J. Mineral., 34, 365–374,,, 2022
Short summary
Arrojadite-group nomenclature: sigismundite reinstated
Frank de Wit and Stuart J. Mills
Eur. J. Mineral., 34, 321–324,,, 2022
Short summary

Cited articles

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Bailey, S. W., Frank-Kamenetskii, V. A., Goldztaub, S., Kato, A., Pabst, A., Schulz, H., Taylor, H. F. W., Fleischer, M., and Wilson, A. J. C.: Report of IMA–IUCr joint committee on nomenclature, Acta Crystallogr. A, 33, 681–684,, 1977. 
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Short summary
Minerals have complex crystal structures, but many common minerals are built from the same chemical building blocks. TotBlocks is a novel, open-source tool for investigating these structures. It consists of 3D-printed modules representing the silica tetrahedra and metal–oxygen octahedra that form the shared chemical building blocks of rock-forming minerals. TotBlocks is a low-cost visualization tool that relates mineral properties (habit, cleavage, and symmetry) to crystal structures.