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"Yogo sapphire" is the preferred term for gems found in the Yogo Gulch, whereas "Montana sapphire" generally refers to gems found in other Montana locations. More gem-quality sapphires are produced in Montana than anywhere else in North America. Sapphires were first discovered in Montana in 1865, in alluvium along the Missouri River. Finds in ...
Jacinth (/ ˈ dʒ æ s ɪ n θ /, [1] / ˈ dʒ eɪ s ɪ n θ /) [2] or hyacinth (/ ˈ h aɪ. ə s ɪ n θ /) [3] is a yellow-red to red-brown variety of zircon used as a gemstone. [ 4 ] In Exodus 28:19, one of the precious stones set into the hoshen (the breastplate worn by the High Priest of Israel ) is called, in Hebrew, leshem , which is ...
Dark and Darker is a first-person hybrid between a dungeon crawler and a role-playing game with a dark medieval fantasy setting. [4] The game blends elements from role-playing systems such as Dungeons & Dragons, [5] roguelikes, and multiplayer video games such as DayZ, and has been described [by whom?] as belonging to the "extraction" subgenre of battle royales.
Years later, Michael Reaves revised the concept as Dark Planet or Planet and it would have had a story much darker than its source material complete with a post-apocalyptic time period but the script was lost when Turner and Warner Bros. merged in 1996. [89] Other attempts were made in 2007, [90] 2011, [91] and 2013. [92]
Chrysoprase, chrysophrase or chrysoprasus is a gemstone variety of chalcedony (a cryptocrystalline form of silica) that contains small quantities of nickel.Its color is normally apple-green, but varies from turquoise-like cyan to deep green.
Color grading of diamonds was performed as a step of sorting rough diamonds for sale by the London Diamond Syndicate. As the diamond trade developed, early diamond grades were introduced. Without any co-operative development, these early grading systems lacked standard nomenclature and consistency. Some early grading scales were; I, II, III; A, AA, AAA; A, B, C. Numerous terms
[3]: 3–4 In 1893 it was part of Tiffany's exhibit at the Chicago World's Fair. [4] A copy of the unmounted diamond. The gem was on loan from Tiffany & Co. to the Smithsonian National Museum of Natural History in Washington, D.C., from April 18, 2007, until September 23, 2007. At the time, Jeffrey E. Post, the museum's gem curator, said that ...
The OED defines pyrope (from Greek Πυρωπός, lit. "fire-eyed")" as: "In early use applied vaguely to a red or fiery gem, as ruby or carbuncle; (mineralogy) the Bohemian garnet or fire-garnet"; and carbuncle or carbuncle-stone (from Latin "carbunculus", "small glowing ember") as: "A name variously applied to precious stones of a red or ...