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thumb|Tesserae of a mosaic of doves drinking at a golden basin, 1st century AD, National Archaeological Museum, Naples|National Archaeological Museum, [[Naples, Italy]] A tessera (plural: tesserae, diminutive tessella) is an individual tile, usually formed in the shape of a square, used in creating a mosaic. It is also known as an abaciscus or abaculus.
thumb|Tesserae of a mosaic of doves drinking at a golden basin, 1st century AD, National Archaeological Museum, Naples|National Archaeological Museum, [[Naples, Italy]] A tessera (plural: tesserae, diminutive tessella) is an individual tile, usually formed in the shape of a square, used in creating a mosaic. It is also known as an abaciscus or abaculus.
==Historical tesserae== thumb|left|Apse mosaic of the Virgin Mother and Child, Hagia Sophia, featuring intensely luminous golden tesserae
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).