Barite Crystals
Baryte, or barite, (BaSO4) is a mineral consisting of barium sulfate.[2] The baryte group consists of baryte, celestine, anglesite and anhydrite. Baryte itself is generally white or colorless, and is the main source of barium. Baryte and celestine form a solid solution (Ba,Sr)SO4. The radiating form, sometimes referred to as Bologna Stone, attained some notoriety among alchemists for the phosphorescent specimens found in the 17th century near Bologna by Vincenzo Cascariolo. The name baryte is derived from the Greek word βαρύς (heavy). The American spelling barite is used by USGS and more often used in modern Scientific journals including those published by the Netherlands-based Elsevier journals. The International Mineralogical Association adopted "barite" as the official spelling when it formed in 1959, but recommended adopting the older "baryte" spelling in 1978, notably ignored by the Mineralogical Society of America. The American Petroleum Institute specification API 13/ISO 13500 which governs baryte for drilling purposes does not refer to any specific mineral, but rather a material that meets that specification, in practice this is usually the mineral baryte.
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Location: Worldwide but especially in Europe and the Middle East
Photo credit: © Richard Higgins / Alamy / Afripics
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Keywords: barite, baryte, bologna, color, colorful, colour, colourful, crystal, crystals, geology, jewelry, landscape, mineral, minerals, nature, rock, rocks, stone
