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Librarian Marianne Winder has proposed that "vaiḍūrya" originally meant beryl; [4] however, pure beryl is colorless, while its blue variant, aquamarine, is described as a 'precious blue-green color-of-sea-water stone' [5] rather than the usual dark blue attributed to Bhaiṣajyaguru.
Lapis lazuli (UK: / ˌ l æ p ɪ s ˈ l æ z (j) ʊ l i, ˈ l æ ʒ ʊ-,-ˌ l i /; US: / ˈ l æ z (j) ə l i, ˈ l æ ʒ ə-,-ˌ l i /), or lapis for short, is a deep-blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense color.
Muladhara Chakra (मूलाधार चक्र) Muladhara (Sanskrit: मूलाधार or मूलाधारा; IAST: Mūlādhāra, lit. "root of Existence." Mula means root and dhara means flux.) or the root chakra is one of the seven primary chakras according to Hindu tantrism. It is symbolized by a lotus with four petals and ...
Lazurite is a pigment (opalescent) and has a bright blue streak (especially as a component of the semiprecious stone lapis lazuli). Many hauynes have a white or pale blue streak and are translucent. The difference might be a consequence of the redox state (sulfate to sulfide ratio). [8] [14]
Blue materials have long attracted attention as colourants. Early artists relied on mineral-based pigments derived from lapis lazuli and ultramarine, and to some extent azurite. Ancient Egyptians developed a synthetic copper-based pigment called Egyptian blue. Medieval artists discovered that cobalt imparted deep blue colours to glasses and glazes.
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 ...
This tradition can trace its origin to the Byzantine Empire, from c. AD 500, when blue was "the color of an empress". A more practical explanation for the use of this color is that in Medieval and Renaissance Europe, the blue pigment was derived from the rock lapis lazuli, a stone imported from Afghanistan of greater value than gold. Beyond a ...
In 1735, the French chemist Charles François de Cisternay du Fay determined that lapis lazuli, emerald, and aquamarine were luminescent. Josiah Wedgwood, in 1792, found phosphoresce from rubbing together two pieces of quartz or of agate, and wrote that the ruby gives "a beautiful red light of short continuance."