INFRA-ART spectral data collections

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  INFRA-ART spectral data collections: precious, poisonous, rare, and other hard-to-find pigments

  by Ioana Maria Cortea — Published on March 22, 2026 — Reading time: 10 min Part of the INFRA-ART Spectral Data Collections article series The use of pigments has been fundamental to artistic creation throughout history. From the earliest cave paintings to contemporary practices, artists have continuously sought to expand their visual language by experimenting with both natural and… read more

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  INFRA-ART spectral data collections: watercolors

  by Ioana Maria Cortea — Published on October 22, 2025 · Updated on February 11, 2026 — Reading time: 10 min Part of the INFRA-ART Spectral Data Collections article series Watercolor is among the most familiar and widely practiced painting media, yet its material behavior is uniquely complex — highly responsive to light, moisture, paper chemistry,… read more

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  INFRA-ART spectral data collections: earth pigments

  by Ioana Maria Cortea — Published on September 2, 2025 — Reading time: 20 min Part of the INFRA-ART Spectral Data Collections article series Earth pigments are among the oldest materials used in human artistic expression. These naturally occurring pigments, derived from iron oxides, manganese compounds, clays, and other minerals, have been used since the earliest… read more