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Adularescence (/ˌædʒələˈrɛsəns/ AJ-ə-lə-RES-əns) is an
optical phenomenon that is
produced in
gemstones like moonstone. The
optical effect is similar...
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first described by
Ermenegildo Pini in 1781. The
optical effect of
adularescence in
moonstone is
typically due to adularia. The
largest do****ented single...
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moonstone derives from the stone's
characteristic visual effect,
called adularescence (or schiller),
which produces a milky,
bluish interior light. This effect...
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later discoveries aventurine quartz and
aventurine feldspar (sunstone).
Adularescence –
Milky luster or
iridescence originating from
below the
surface of...
- term as opalescence. This
milky sheen displa**** by opal is a form of
adularescence. Fire opal is a
relatively transparent gemstone with a
vivid yellow-orange-red...
- minerals. It is seen in
moonstone and
labradorite and is very
similar to
adularescence and aventurescence. GIA Gem
Reference Guide.
Gemological Institute of...
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Labradorite Labradorite in a
polished rock slab
General Category Adularescence,
tectosilicate Formula (repeating unit) (Ca,Na)(Al,Si)4O8,
where Ca/(Ca...
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irrespective of
angle Dichroic filter Dichroism Iridocyte Labradorescence (
Adularescence)
Metallic colour Opalescence Structural colour Thin-film
optics Nacre...
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orthoclase feldspar that
exhibits a rare
combination of aventurescence,
adularescence, and a
distinctive iridescence lattice pattern. The
iridescence lattice...
- show a play of color.[clarification needed]
Opalescence is a form of
adularescence. For
gemstone use, most opal is cut and
polished to form a cabochon...
