[1] Darragh P.J., Gaskin A. J., Sanders J. V., “Opal”, Scientific American 234 (1976) 84-95.
[2] Nassau K., ”The origins of color in minerals”, American Mineralogist 63 (1978) 219-229,
[3] Sanders J.V., “Colour of precious opal”, Nature 204 (1964) 1151–1153.
[5] Sanders J. V., Murry M. J., “
Ordered arrangements of spheres of two different sizes in opal”,
Nature 275 (1978) 201–203.
[6] Stober W., Fink A., Bohn E., “Controlled growth of monodisperse silica spheres in the micron size range”, Journal of Colloid and Interface Science, 26 (1968) 62-69.
[7] Samusev K.B., Yushin G.N., Rybin M.V., Limonov M.F., “Structural parameters of synthetic opals: Statistical analysis of electron microscopy images”, Physics of the Solid State 50 (2008) 1280–1286.
[8] Murphy R.P., Hong K., Wagner N.J., “ Synthetic control of the size, shape, and polydispersity of anisotropic silica colloids”, Journal of Colloid and Interface Science 501 (2017) 45-53 DOI:10.1016/j.jcis.2017.04.026
[9] Lee S., Xu H., Xu H., “Reexamination of the structure of opal-A: A combined study of synchrotron X-ray diffraction and pair distribution function analysis” American Mineralogist 107 (7) (2022) 1353–1360 DOI: 10.2138/am-2022-8017
[10] Laskowska M., Karczmarska, AS., Schabikowski M., Adamek M., Maximenko A., Pawlik K., Kowalska O., Olejniczak Z., Laskowski L., “Synthetic Opals or Versatile Nanotools—A One-Step Synthesis of Uniform Spherical Silica Particles”, International Journal of Molecular Sciences 24(18) (2023),13693 DOI:10.3390/ijms241813693
[11] Curtis N.J., Gascooke J.R., Pring A., “Silicon-Oxygen Region Infrared and Raman Analysis of Opals: The Effect of Sample Preparation and Measurement Type” Minerals 11 (173) (2021) doi.10.3390/min11020173
[12] Tang F., Li L., Chen D. “Mesoporous silica nanoparticles: synthesis, biocompatibility and drug delivery” Advanced Materials 24(12) (2019) 1504-34 DOI: 10.1039/D2RA04197A
[14] Bardosova M., Hodge P., Pach L., Pemble M.E., Smatko V., Tredgold R.H., Whitehead D., “Synthetic opals made by the Langmuir–Blodgett method”, Thin Solid Films 437 (1-2) (2003) 276-279.
[15] Bardosova M., Pemble M.E., Povey I.M., Tredgold R.H., “The Langmuir-Blodgett Approach to Making Colloidal Photonic Crystals from Silica Spheres”, Advanced Material 22 (2010) 3104-3124 DOI:10.1002/adma.200903708Citations: 168
[16] Gouzy S., Rondeau B,. Vinogradoff V., Chauviré B., Coulet M.V., Grauby O., Terrisse H., Carter J., “Opal Synthesis: Toward Geologically Relevant Conditions” Minerals 2024, 14 (969) (2024) doi.10.3390/min14100969
[17] Liesegang M., Milke R., “
Australian sedimentary opal-A and its associated minerals: Implications for natural silica sphere formation”, American Mineralogist 99 (7) (2014) 1488–1499 DOI:
10.2138/am.2014.4791
[19] Filin, S.V., Alexader I.P., Puzynin I., Samoilov V.N. ” Some aspects of precious opal synthesis” Scientific Center for Applied Research, Dubna, JINR(2002) Russia.
[20] Delpasand Z., Masoudi F., Mirhabibi A., “ The Effect of Tetraethyl Orthosilicate (TEOS) Content on Sphere Dimensions and Color Formation in Synthetic Opal”, Iranian Journal of Crystallography and Mineralogy (2025) DOI:10.22128/ijcm.2025.2964.0
[21] Arasuna A., Okuno M., Okudera H., Mizukami T., Arai S., Katayama S., Koyano M., Ito N., “Physics and Chemistry of Minerals, Structural changes of synthetic opal by heat treatment”, Physics and Chemistry of Minerals 40(9) (2013) 747–755: DOI 10.1007/s00269-013-0609-1
[22] Brown L.D., Ray A.S., Thomas P.S., & Guerbois J.P., “Thermal Characteristics of Australian Sedimentary Opals” Journal of Thermal Analysis and Calorimetry 68 (2002) 31–36 DOI:10.1023/a:1014912331807
[23] Samarov É. N. Mokrushin A. D., Masalov V. M., Abrosimova G. E., Emel’chenko G. A. “Structural modification of synthetic opals during thermal treatment Semiconductors and Dielectrics” Physics of the Solid State (2006) 48, pages 1280–1283
[24] Jones J.B., Segnit E.R. “The nature of opal I. nomenclature and constituent phases”, Journal of the Geological Society of Australia 18(1) (1971) 57-68 DOI:10.1080/00167617108728743
[25] Hernández-Ortiz M., Hernández-Padrón G., Bernal R., Cruz-Vázquez C., “Nanocrystalline mimetic opals: synthesis and comparative characterization vs. natural stones”, International Journal of Basic and Applied Sciences 4 (2) (2015) 238-243 DOI:10.14419/ijbas.v4i2.4174
[26] Sabataityte J., Simkiene I., Reza A., Babonas G.-J., Vaisnoras R., Rasteniene L., Kurdyukov D., Golubev V., “Studies of opal crystals infiltrated with iron porphyrin”, Superlattices and Microstructures 44 (4–5) (2008) 664-669.
[27] Botero O.H.M., “Engineering Stober silica nanoparticles: insight into the growth mechanism and development of silica-based nanostructure for multimodal imaging” Doctoral thesis, University of Barcelona (2022).