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Minerals
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Spectral Behavior of Mineral Pigments, Volume II
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Spectral Behavior of Mineral Pigments, Volume II

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Crystallography and Physical Chemistry of Minerals & Nanominerals".

Deadline for manuscript submissions: 15 February 2025 | Viewed by 4444

Special Issue Editors

Dr. Anna Candida Felici

E-Mail Website
Guest Editor
Department of Basic Applied Sciences for Engineering, Sapienza University of Rome, Via A. Scarpa 16, 00161 Rome, Italy
Interests: non-destructive analyses; archaeometry; pigments; metals; ceramics
Special Issues, Collections and Topics in MDPI journals
Dr. Lucilla Pronti

E-Mail Website
Guest Editor
National Laboratory of Frascati (LNF) - National Institute for Nuclear Physics (INFN), Via E. Fermi 40, 00044 Frascati, Italy
Interests: non-invasive techniques for the analyses of cultural heritage; infrared spectroscopy with conventional sources and synchrotron radiation; multispectral imaging; X-ray fluorescence spectroscopy; infrared reflectography; multivariate analyses
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The knowledge of the chemical and physical properties of materials and of the modifications, alterations and interactions to which they undergo is based on the study of their spectral behavior. Among the materials, mineral pigments, in their natural and synthetic form, are a research subject of great interest. Their features, such as to have an own color or the capability of changing the optical and physical properties of the materials to which they are added, make them extensively employed in a wide range of applications.

The aim of this Special Issue is to highlight researches on the spectral behavior of mineral pigments in all the spectral ranges (X-rays, ultraviolet, visible, infrared, etc.) carried out with conventional or advanced techniques or methods. This special issue encourages to submit papers on several topics such as geology, archaeometry, coatings, cosmetics, chemical industry, orthopaedic engineering, nanomaterials, etc.

Dr. Anna Candida Felici
Dr. Lucilla Pronti
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Minerals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • spectroscopy
  • characterization
  • mineral pigments
  • archaeometry
  • cosmetics
  • coatings
  • chemical industry
  • orthopaedic engineering
  • nanomaterials

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Related Special Issue

Published Papers (2 papers)

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Research

27 pages, 17784 KiB  
Article
Historical Pigments and Paint Layers: Raman Spectral Library with 852 nm Excitation Laser
by Silvia Innocenti, Diego Quintero Balbas, Monica Galeotti, Andrea Cagnini, Simone Porcinai and Jana Striova
Minerals 2024, 14(6), 557; https://doi.org/10.3390/min14060557 - 28 May 2024
Cited by 1 | Viewed by 2371
Abstract
Raman spectroscopy (RS), for its robust analytical capabilities under constant development, is a powerful method for the identification of various materials, in particular pigments in cultural heritage. Characterization of the artist’s palette is of fundamental importance for the correct formulation of restoration intervention [...] Read more.
Raman spectroscopy (RS), for its robust analytical capabilities under constant development, is a powerful method for the identification of various materials, in particular pigments in cultural heritage. Characterization of the artist’s palette is of fundamental importance for the correct formulation of restoration intervention as well as for preventive conservation of artworks. Here we examine the number and variability of research studies exploiting Bravo handheld Raman spectrophotometer relying on the excitation of Raman signal with temperature-shifted diode lasers emitting at 852 and 785 nm. To this end, we explore the spectral features of common historical pigments examined as powders and in the paint layer. We show that some materials may exhibit slightly different spectra as concerns especially the relative intensity of Raman lines with 852 nm laser excitation wavelength as compared to the standard 785 nm. The aim is to provide the research community with a reference spectral database that facilitates the identification of unknown pigments using the 852 nm excitation source. Full article
(This article belongs to the Special Issue Spectral Behavior of Mineral Pigments, Volume II)
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24 pages, 22273 KiB  
Article
Analysis of Pigments Unearthed from the Yungang Grottoes Archaeological Excavations
by Xiao Fan, Jianfeng Cui, Shuyu Wang, Lizhong Tai, Jing Guo and Hongbin Yan
Minerals 2024, 14(3), 221; https://doi.org/10.3390/min14030221 - 21 Feb 2024
Viewed by 1359
Abstract
The Yungang Grottoes, excavated during the 5th to 6th centuries AD, stand as a pinnacle of Buddhist sculpture, representing a precious world cultural heritage. Since their excavation, the grottoes have undergone multiple phases of painting, with a significant amount of pigment still present [...] Read more.
The Yungang Grottoes, excavated during the 5th to 6th centuries AD, stand as a pinnacle of Buddhist sculpture, representing a precious world cultural heritage. Since their excavation, the grottoes have undergone multiple phases of painting, with a significant amount of pigment still present on the surfaces of the stone carvings. Since the 1990s, two large-scale archaeological excavations have been conducted on both the front ground and the summit of Yungang Grottoes. During these excavations, various artifacts with accompanying pigments were unearthed, encompassing stone carvings, grinding tools, architectural components, fragments of murals, and remnants of clay sculptures, spanning the historical periods of the Northern Wei, Liao-Jin, and Ming-Qing dynasties. Using portable X-ray fluorescence spectrometry, portable microscopy, polarizing microscopy, scanning electron microscopy–energy dispersive X-ray spectroscopy, and confocal Raman microscopy, we conducted a comprehensive analysis of these painted elements. The investigation revealed the presence of hematite, vermilion, goethite, malachite, calcium carbonate, lead white, and ivory black pigments in the Northern Wei samples. The Liao-Jin samples exhibited hematite, while the Ming-Qing samples contained vermilion, minium, atacamite, lead white, and Prussian blue. Full article
(This article belongs to the Special Issue Spectral Behavior of Mineral Pigments, Volume II)
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