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Sandakada Pahana, also known as Moonstone, is a unique feature of the architecture of ancient Sri Lanka. [ 1 ] [ 2 ] [ 3 ] It is an elaborately carved semi-circular stone slab, usually placed at the bottom of staircases and entrances.
Moonstone cabochon. The most common moonstone is of the orthoclase feldspar mineral adularia, named for an early mining site near Mt. Adular in Switzerland, now the town of St. Gotthard. [1] [better source needed] A solid solution of the plagioclase feldspar oligoclase +/− the potassium feldspar orthoclase also produces moonstone specimens.
In gemology, their luster is called adularescence and is typically described as creamy or silvery white with a "billowy" quality. It is the state gem of Florida . The gemstone commonly called rainbow moonstone is more properly a colorless form of labradorite and can be distinguished from "true" moonstone by its greater transparency and play of ...
Adularescence in a moonstone cabochon, Minas Gerais, Brazil. The specimen's diameter is 23 mm (0.91 in). Adularescence (/ ˌ æ dʒ ə l ə ˈ r ɛ s ən s / 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.
The sounds of sobbing, prayers and anguish echoed through the departures hall of an airport in southwestern South Korea on Monday as families of the victims aboard a passenger jet that crash ...
Anyone watching the news following the presidential election has like heard one word associated with President-elect Donald Trump more than any other: tariffs. Tariffs are taxes levied upon ...
LONDON (Reuters) -An Australian computer scientist who falsely claimed he invented bitcoin was sentenced for contempt of court on Thursday for bringing a 911 billion-pound ($1.2 trillion) lawsuit ...
The first-century historian Josephus believed there was a connection between the twelve stones in Aaron's breastplate (signifying the tribes of Israel, as described in the Book of Exodus), the twelve months of the year, and the twelve signs of the zodiac.