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Colors often considered "shades of black" include onyx, black olive, charcoal, and jet. These colors may be considered for part of a neutral color scheme, usually in interior design as a part of a background for brighter colors. Black and dark gray colors are powerful accent colors that suggest weight, dignity, formality, and solemnity. [1]
Sardonyx has a structure similar to onyx, but is usually composed of alternate layers of white chalcedony and carnelian, although carnelian may be associated with layers of white, brown, and black chalcedony. The ancients obtained onyx from Arabia, Egypt, and India.
Opals too thin to produce a "natural" opal may be combined with other materials to form "composite" gems. An opal doublet consists of a relatively thin layer of precious opal, backed by a layer of dark-colored material, most commonly ironstone, dark or black common opal (potch), onyx, or obsidian. The darker backing emphasizes the play of color ...
The source of obsidian for cultures inhabiting the territory of and around Greece was the island of Milos; the Starčevo–Körös–Criș culture obtained obsidian from sources in Hungary and Slovakia, while the Cardium-Impresso cultural complex acquired obsidian from the island outcrops of the central Mediterranean.
Chalcedony has a waxy luster, and may be semitransparent or translucent. It can assume a wide range of colors, but those most commonly seen are white to gray, grayish-blue or a shade of brown ranging from pale to nearly black. The color of chalcedony sold commercially is often enhanced by dyeing or heating. [4]
Apache tears are rounded pebbles of obsidian or "obsidianites" composed of black or dark-colored natural volcanic glass, usually of rhyolitic composition and bearing conchoidal fracture. Also known by the lithologic term marekanite , this variety of obsidian occurs as subrounded to subangular bodies up to about 2 in (51 mm) in diameter, often ...
Dads tend to have the most fun hobbies — fishing, golfing, bird watching, and, if you're my father-in-law, storytelling.He tends to be an incredibly fun person to shop for this time of year, but ...
Fallout 4 uses "Black Ice" as a construction material during a cyberspace hacking minigame in the Far Harbor DLC. Mr. Robot, where "ICE" in its RPG part refers to shields or armor that can be attacked by various "ICE breaker"s; Midnight Protocol, where "ICE" is an umbrella term for security measures that shield nodes from being accessed