Adularescence (/ˌædʒələˈrɛsəns/ AJ-ə-lə-RES-əns) is an optical phenomenon that is produced in gemstones like moonstone. The optical effect is similar...
3 KB (364 words) - 22:33, 15 August 2023
first described by Ermenegildo Pini in 1781. The optical effect of adularescence in moonstone is typically due to adularia. The largest documented single...
8 KB (598 words) - 18:12, 8 August 2024
later discoveries aventurine quartz and aventurine feldspar (sunstone). Adularescence – Milky luster or iridescence originating from below the surface of...
1 KB (199 words) - 12:45, 23 July 2023
moonstone derives from the stone's characteristic visual effect, called adularescence (or schiller), which produces a milky, bluish interior light. This effect...
5 KB (393 words) - 02:39, 5 July 2024
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...
4 KB (406 words) - 09:31, 18 March 2024
minerals. It is seen in moonstone and labradorite and is very similar to adularescence and aventurescence. GIA Gem Reference Guide. Gemological Institute of...
12 KB (1,158 words) - 23:18, 14 January 2024
irrespective of angle Dichroic filter Dichroism Iridocyte Labradorescence (Adularescence) Metallic colour Opalescence Structural colour Thin-film optics Nacre...
20 KB (1,969 words) - 08:25, 29 June 2024
Labradorite Labradorite in a polished rock slab General Category Adularescence, tectosilicate Formula (repeating unit) (Ca,Na)(Al,Si)4O8, where Na is...
10 KB (869 words) - 09:45, 15 July 2024
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...
56 KB (5,855 words) - 04:18, 23 August 2024
orthoclase feldspar that exhibits a rare combination of aventurescence, adularescence, and a distinctive iridescence lattice pattern. The iridescence lattice...
6 KB (706 words) - 04:30, 13 January 2024