citrine

2 ENTRIES FOUND:

1cit·rine

adjective \ˈsi-ˌtrīn\

Definition of CITRINE

:  resembling a citron or lemon especially in color

Origin of CITRINE

Middle English, from Anglo-French citrin, from Medieval Latin citrinus, from Latin citrus citron tree
First Known Use: 14th century

2ci·trine

noun \si-ˈtrēn\

Definition of CITRINE

:  a semiprecious yellow stone resembling topaz and formed by heating a black quartz in order to change its color

First Known Use of CITRINE

1748

citrine

noun    (Concise Encyclopedia)

Transparent, coarse-grained variety of the silica mineral quartz. Citrine is a semiprecious gem that is valued for its yellow to brownish colour and its resemblance to the rarer topaz. Natural citrine is rarer than amethyst or smoky quartz, both of which are often heated to change their natural colour to that of citrine. Citrine is often marketed under various names that confuse it with topaz to inflate its price; it may be distinguished from topaz by its inferior hardness. It occurs mainly in Brazil, Uruguay, the Ural Mountains, Scotland, and North Carolina.

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