lapis lazuli [机] 天青石
lapis lazuli[ noun ]
an azure blue semiprecious stone
<noun.substance>
Lapis lazuli \La"pis laz"u*li\n. (Min.)
An albuminous mineral of a rich blue color; also called
{lapis}. Same as {Lazuli}, which see.
Lazuli \Laz"u*li\, n. [F. & NL. lapis lazuli, LL. lazulus,
lazurius, lazur from the same Oriental source as E. azure.
See {Azure}.] (Min.)
A mineral of a fine azure-blue color, usually in small
rounded masses. It is essentially a silicate of alumina,
lime, and soda, with some sodium sulphide, is often marked by
yellow spots or veins of sulphide of iron, and is much valued
for ornamental work. Called also {lapis lazuli}, and
{Armenian stone}.