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“Minium, also known as red lead, is a bright orange red pigment that was widely used in the Middle Ages for the decoration of manuscripts and for painting. It was made by roasting white lead pigment in the air; the white lead would gradually turn yellow, then into an orange lead tetroxide. The color varied depending upon how long the mineral was roasted.〔Daniel V. Thompson, ''The Materials and Techniques of Medieval Painting'', pg. 100〕 During the Roman Empire, the term minium could refer either to the pigment made from ground cinnabar or to the less expensive red lead. The name came from the River Minius in Spain (now known as the River Menjo), located near the main Roman cinnabar mines. Pliny the Elder referred to it as ''flammeus'', or flame color. The minium of red lead was easy to make and less expensive than the pigment made from the mineral cinnabar, and it was bright and cheerful, so it became the most commonly used bright red in Medieval painting until the introduction of vermilion.〔Daniel Thompson,''The Materials and Techniques of Medieval Painting'', pg. 101〕 The color was used in particular for the paragraph signs, versals, capitals, and headings which were colored red in Medieval manuscripts. The Latin verb for this kind of work was ''miniare'', to apply minium, and a person who did this was known as a ''miniator''. These medieval artists also made small illustrations and decorative drawings in the manuscripts, which became known as ''miniatures'', the source of the English word for small works of art.〔Daniel Thompson, ''The Materials and Techniques of Medieval Painting'', pg. 102〕 There was (and is) considerable confusion among the names of ancient and medieval pigments. As noted above, the term minium was used for cinnabar, vermilion, and for red lead. Minium of red lead was sometimes called ''stupium'' in classical Latin, adding to the confusion.〔Daniel Thompson, ''The Materials and Techniques of Medieval Painting'', pg. 102〕 Minium may have been manufactured in China as early as 300 B.C. It was known in the Han Dynasty (200 BC-200 AD) under the name "cinnabar of lead" (''ch'ien tan''), The process of manufacturing it was described in a Chinese manuscript of the 5th century. Minium was widely used for Persian miniature painting and Indian miniature painting.〔Philip Ball (2001), ''Bright Earth - Art and the Invention of Colour'', Hazan (French edition). 〕 File:Red lead.jpg|A sample of minium pigment, made by roasting white lead pigment. File:Grande e general estoria (códice del Escorial).jpg|The Códice del Escorial (1272-1284) from Spain. Medieval manuscripts often used red-orange minium pigment in the letters of the text and for small illustrations, called miniatures. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Minium (pigment)」の詳細全文を読む スポンサード リンク
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