EditorialIn the 1st century AD. is also the first time discolored glass. Due to the presence of iron oxides in sand, 'ordinary' glass always turns green. The color of the glass can be changed by adding different metals. Manganese and antimony have the property ...
EditorialCeiling Tile with Fish, late 1400s to mid-1500s, Made in Benaguacil, Valencia, Spain, Spanish, Earthenware with slip decoration and paint, Overall: 12 3/16 x 5 13/16 x 1 5/16 in. (31 x 14.8 x 3.4 cm), Ceramics-Tiles, It was fashionable in Valencia to l...