Glossary
sandstone
A sedimentary rock formed by the compacting of grit or sand with a high silica content bound in a natural cement-- the silica itself. Many types of sandstone are soft and easily eroded, but some are quite hard and durable. Sandstone is generally more difficult to carve than limestone, for the particles wear down the metal of the chisel. Some sandstone can be polished.
zenga
Paintings which are a part of the Zen tradition of Japanese Buddhism. Zenga are often painted by priests, and are typically ink drawings and calligraphy.
Example: Hakuin Ekaku's One Hand Clapping, 1766
zinc
A bluish-white, lustrous metallic element that is brittle at room temperature but malleable with heating. Used in galvanizing iron, it is often alloyed in making brass, bronze, various solders, and nickel silver, in manufacturing many products including various household objects. Atomic symbol Zn; atomic number 30; atomic weight 65.37; melting point 419.4° C.; specific gravity 7.133 (25°C); valence 2.
zinc white
White formed from zinc oxide, giving pure cool cover. In oil it needs much medium, and has some tendency to crack. In watercolor it's known as Chinese white.
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