Liquid crystals are substances that flow like a liquid but maintain some of the ordered structure of crystals. Liquid-crystal molecules tend to be elongated and to orient in specific directions.

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad and ...

The biotite aggregates are the loci for very fine-grained euhedral uraninite crystals. The second pegmatite subgroup contains more sparsely distributed plates and discontinuous stringers of black ...

The biotite aggregates are the loci for very fine-grained euhedral uraninite crystals. The second pegmatite subgroup contains more sparsely distributed plates and discontinuous stringers of black ...

6. The crystal structure information of the refined phases originates from the Bruker-AXS crystal structure database, or obtained from the Crystallography Open Database (Grazulis et al. 2009) or the ...

School of Earth Sciences, East China University of Technology, Nanchang, Jiangxi Province 330013, China State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, ...

We selected biotite, a trioctahedral phyllosilicate, within the mica group that forms a series from a Fe-rich end-member annite to the Mg-rich phlogopite. It is widespread at the earth’s surface as a ...

Figure 3: Biotite mica crystal structure. A, three negatively charged biotite mineral sheets with 1-nm (nanometer) spacing and potassium ions (K+) holding them together. B, Biotite mica sheets ...