opus vermiculatum---taken from the latin word 'worm.' It refers to lines of tesserae that snake around a feature in the mosaic. Often 2-3 rows of opus vermiculatum appear like a halo around something in a mosaic picture, helping it stand out from the background.
Palazzo Massimo alle Terme in Rome | Opus vermiculatum is a method of laying mosaic tesserae to emphasise an outline around a subject. This can be of one or more rows and may also provide background contrast, eg as a shadow, sometimes with Opus tessellatum. The outline created is often light and offset by a dark background for greater contrast. The name opus vermiculatum literally means "worm-like work", and has been described as one of the most demanding and elaborate forms of mosaic work.
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200-100 BCE Alexandria Egypt. Floor Mosaic Roundel: A Dog & An Overturned Gold Vessel. The quality is fantastic, and this period represents a high point in the mosaic craft in the Greco-Roman world. Many of the tesserae are only 1-2mm across, which allows the mosaicist to achieve a painterly effect. The technique is called "opus vermiculatum", or ‘wormy work’. The Greco-Roman Museum in Alexandria. I can't help but wonder if this wasn't the inspiration for RCA Victor's "His Master's Voice".
Carole Choucair Oueijan has a very distinctive, lyrical mosaic voice. She combines opus sectile and opus vermiculatum to weave stories of dancers and princesses, of dreamers and magical feasts. In . . .