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The third pictured, alchemical for black sulfur, is also known as a 'Leviathan Cross' or 'Satan's Cross'. Sun: Alchemy and Hermeticism: A symbol used with many different meanings, including but not limited to, gold, citrinitas, sulfur, the divine spark of man, nobility and incorruptibility. Sun cross: Iron Age religions and later gnosticism and ...
The terms esoteric and arcane can also be used to describe the occult, [4] [5] in addition to their meanings unrelated to the supernatural. The term occult sciences was used in the 16th century to refer to astrology, alchemy, and natural magic, which today are considered pseudosciences.
Andamooka Opal, presented to Queen Elizabeth II, also known as the Queen's Opal; Flame Queen Opal; Galaxy Opal; Halley's Comet Opal, the world's largest uncut black opal; Olympic Australis Opal, reported to be the largest and most valuable gem opal ever found
At the time of the Septuagint translation, the stones to which the Hebrew names apply could no longer be identified, and translators used various Greek words to translate the same Hebrew word [2]. The ancients did not classify gemstones by analyzing their composition or crystalline shapes: names were given in accordance with color, use, or ...
Each of the three notable types of opal – precious, common, and fire [3] – display different optical effects; therefore, the intended meaning varies depending on context. The general definition of opalescence is a milky iridescence displayed by an opal, which describes the visual effect of precious opal very well, and opalescence is ...
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 and results in a more attractive display than a lighter potch.
Indeed, ammolite is often used as an imitation of black opal. An even less convincing possibility is Slocum stone, a common glass-based imitation of opal. Blues and purples are much more pervasive in labradorite, and in both it and opal the play of color is seen to roll across the stone unlike the comparatively restricted play of color in ammolite.
The black sun as pictured in the Putrifaction emblem of Philosophia Reformata (Johann Daniel Mylius) Sol niger (black sun) can refer to the first stage of the alchemical magnum opus, the nigredo (blackness). In a text ascribed to Marsilio Ficino three suns are described: black, white, and red, corresponding to the three most used alchemical ...