Milky luster or iridescence originating from below the surface of gemstones
Adularescence in a moonstone cabochon, Minas Gerais, Brazil. The specimen's diameter is 23 mm (0.91 in).
Adularescence (/ˌædʒələˈrɛsəns/AJ-ə-lə-RES-əns) is an optical phenomenon that is produced in gemstones like moonstone. The optical effect is similar to labradorescence and aventurescence.
Adularescence (/ˌædʒələˈrɛsəns/ AJ-ə-lə-RES-əns) is an optical phenomenon that is produced in gemstones like moonstone. The optical effect is similar...
first described by Ermenegildo Pini in 1781. The optical effect of adularescence in moonstone is typically due to adularia. The largest documented single...
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 displayed by opal is a form of adularescence. Fire opal is a relatively transparent gemstone with a vivid yellow-orange-red...
Labradorite Labradorite in a polished rock slab General Category Adularescence, tectosilicate Formula (repeating unit) (Ca,Na)(Al,Si)4O8, where Ca/(Ca...
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...
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