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Counter-Strike 2 is a 2023 free-to-play tactical first-person shooter game developed and published by Valve.It is the fifth entry in the Counter-Strike series, developed as an updated version of the previous entry, Counter-Strike: Global Offensive (2012).
Asterism on the surface of a blue star sapphire. A purple-pink star sapphire displaying asterism in a platinum ring.. An asterism (from Ancient Greek ἀστήρ (astḗr) 'star' and -ism) is a star-shaped concentration of light reflected or refracted from a gemstone.
Dravite species such as green chromium dravite and brown dravite are diamagnetic. A handheld neodymium magnet can be used to identify or separate some types of tourmaline gems from others. For example, blue indicolite tourmaline is the only blue gemstone of any kind that will show a drag response when a neodymium magnet is applied.
Citation Style 2 (CS2) is a style applied to citations on Wikipedia. It is used by default in the general purpose citation template {{ Citation }} , and available as an option in many other templates.
Gems & Gemology claims fordite "was first collected at Ford Motor Company in Michigan in the 1940s." [6] The colors were initially dark and muted neutrals, [6] though they still consisted of swirling patterns. [7] The colorful acrylic lacquers of the 1950s and 1960s caused fordite to appear "in bright metallic colors."
Ammolite is also known as aapoak (Kainah for "small, crawling stone"), gem ammonite, calcentine, and korite. The latter is a trade name given to the gemstone by the Alberta-based mining company Korite. Marcel Charbonneau and his business partner Mike Berisoff were the first to create commercial doublets of the gem in 1967. They went on to form ...
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. The darker varieties of chrysoprase are also referred to as prase.
This is a list of gemstones, organized by species and types. Minerals. There are over 300 types of minerals that have been used as gemstones. Such as: A–B