The Right Chemistry: Rediscovering a biblical blue dye

Baruch Sterman, an Israeli scientist, has taken an interest in producing the blue dye he believes is tekhelet from snails.

Church of St. Benedict in Malles, eastern wall, central apse

Tunisian Man Rediscovers Secret of Priceless Ancient Purple Dye

Tekhelet: The Mystery of the Long-Lost Biblical Blue Thread

The Biblical “blue” – Ritmeyer Archaeological Design

The Bible described it as the perfect, pure blue. And then for nearly 2,000 years, everyone forgot what it looked like - The San Diego Union-Tribune

Blue dye from red beets: Chemists devise a new pigment option

Islam Rediscovered

Blue Country Mystic – Salvation South

Gagosian Quarterly, Fall 2022 by Gagosian Quarterly - Issuu

Egyptian blue, Chinese blue, and related two-dimensional silicates: from antiquity to future technologies. Part A: general properties and historical uses