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Opal “One of the most beautiful and magical gemstones, opals have a visual fire inside, often reflecting an entire rainbow of color within their milky-white, bluish-green matrix,” Salzer says.
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 ...
The Yowah opal field in the Shire of Paroo. The Yowah nut is a type of precious opal, found within the Yowah opal fields situated in Yowah, Shire of Paroo, South West Queensland, Australia since the latter part of the 19th century. [1] These opals are known for their distinctive nut-like shape, opalescent patterns, and vibrant colours.
Hebrew ʾōḏem derives from the Hebrew root meaning "red". Carnelian in Theophrastus (De lap., 55) and Pliny (Hist. nat., XXXVII, xxxi) derive the name of sardion the city of Sardes where, they claim, it was first found. The carnelian is a siliceous stone and a species of chalcedony.
Opal is a hydrated amorphous form of silica ... but most modern references suggest it is adapted from the Sanskrit word úpala meaning ‘precious stone’. [62]
Crystal healing is a pseudoscientific alternative-medicine practice that uses semiprecious stones and crystals such as quartz, agate, amethyst or opal. Despite the common use of the term "crystal", many popular stones used in crystal healing, such as obsidian, are not technically crystals. Adherents of the practice claim that these have healing ...
Biogenic silica (bSi), also referred to as opal, biogenic opal, or amorphous opaline silica, forms one of the most widespread biogenic minerals. For example, microscopic particles of silica called phytoliths can be found in grasses and other plants. Silica is an amorphous metalloid oxide formed by complex inorganic polymerization processes.
The meaning of spirituality has developed and expanded over time, and various meanings can be found alongside each other. [1] [2] [3] [note 1] Traditionally, spirituality is referred to a religious process of re-formation which "aims to recover the original shape of man", [note 2] oriented at "the image of God" [4] [5] as exemplified by the founders and sacred texts of the religions of the world.