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The dial is suspended from a cord or chain; the suspension point on the vertical meridian ring can be changed to match the local latitude. The time is read off on the equatorial ring; in the example below, the center bar is twisted until a sunray passes through a small hole and falls on the horizontal equatorial ring.
A lapidary is a text in verse or prose, often a whole book, that describes the physical properties and metaphysical virtues of precious and semi-precious stones, that is to say, a work on gemology. [1] It was frequently used as a medical textbook, since it also includes practical information about the supposed medical application of each stone ...
Thailand's "Queen Sirikit Navaratna" necklace.. Navaratna (Sanskrit: नवरत्न) is a Sanskrit compound word meaning "nine gems" or "ratnas".Jewellery created in this style has important cultural significance in many southern, and south-eastern Asian cultures as a symbol of wealth, and status, and is claimed to yield talismanic benefits towards health and well-being.
Gemstone meanings are inspired by everything from royal traditions and chakras to ancient cultures and spiritual thoughts. “The myriad of colors of gemstones alone transmit energy via the ...
Urania (/ j ʊəˈr eɪ n i ə / yoor-AY-nee-ə; Ancient Greek: Οὐρανία, romanized: Ouranía; modern Greek shortened name Ράνια Ránia; meaning "heavenly" or "of heaven") was, in Greek mythology, the muse of astronomy and astrology. Urania is the goddess of astronomy and stars, her attributes being the globe and compass.
Nearly all gemstones had to be imported from outside Europe, though Insular jewelry used native stones. Amber , jet , freshwater pearls and coral could be found within Europe. The modern facet -cut style of gemcutting was only developed at the end of the period, and before that stones were all cut and polished in variations of what is now ...
A geode of chalcedony richly colored by hematite that gives it its rusty hues and marks it as Akik [contradictory]. Aqeeq, akik or aqiq (Arabic: العقيق) means quartz in Arabic, and agate in Turkish, however in the context of rings usually refers to a ring set with a chalcedony stone.
Acquired by the Library in 1933, the George F. Kunz Collection is a significant special collection on gems and minerals including rare books on gemology, the folklore of gemstones through history, lapidary arts and archival gem trade records important to the provenance of named stones such as the "Hope Diamond."