Definify.com
Webster 1913 Edition
Adularia
‖
Adˊu-la′ri-a
,Noun.
[From
Adula
, a mountain peak in Switzerland, where fine specimens are found.] (Min.)
A transparent or translucent variety of common feldspar, or orthoclase, which often shows pearly opalescent reflections; – called by lapidaries moonstone.
Webster 1828 Edition
Adularia
ADULA'RIA
,Noun.
A mineral deemed the most perfect variety of felspar; its color white, or with a tinge of green, yellow, or red.
Definition 2024
adularia
adularia
English
Noun
adularia (plural adularias)
- A variety of orthoclase feldspar found as colorless to white prismatic crystals in cavities in metamorphic rocks. Some specimens reflect a bluish sheen along crystal faces. This phenomenon is called adularescence, and adularia with this property is called moonstone. (See sanidine).
See also
Translations
variety of orthoclase feldspar
Italian
Etymology
From Adular, a Swiss locality.
Noun
adularia f (plural adularie)
- (mineralogy) adularia