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Benitoite (/ b ə ˈ n iː t oʊ aɪ t /) is a rare blue barium titanium cyclosilicate mineral, found in hydrothermally altered serpentinite. It forms in low temperature, high pressure environments typical of subduction zones at convergent plate boundaries. Benitoite fluoresces under short wave ultraviolet light, appearing bright blue to bluish ...
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Eyewitness Books (called Eyewitness Guides in the UK) is a series of educational nonfiction books.They were first published in Great Britain by Dorling Kindersley in 1988. . The series now has over 160 titles on a variety of subjects, such as dinosaurs, Ancient Egypt, flags, chemistry, music, the solar system, film, and William Shakespe
The Clear Creek Management Area includes the San Benito Mountain Research Natural Area, recognized for its unique pine and incense cedar forest assemblage. The Mediterranean climate is punctuated by cool, wet winters and hot, dry summers. There are two superfund sites in the area, both associated with the mining and processing of chrysotile ...
Pabstite is 37.7% SiO 2, 3.8% TiO 2, 24.4% SnO 2 and 33.2% BaO. [6] However, Ti and Sn could vary from point to point by approximately ±0.5% TiO 2 and ±1% SnO 2. Pabstite is a tin bearing analog of benitoite. Although, (Sn 4+ = 0.71 Å) and (Ti 4+ = 0.68Å) have similar charge and ionic size, it is uncommon to find them substituting each other.
The Life Nature Library is a series of 25 hardbound books published by Time-Life between 1961 and 1965, with revisions to 1968. It has been translated from English into eight languages and sold in 90 countries. [ 1 ]
George Davis Louderback (April 6, 1874 – January 27, 1957) was an American geologist, known for identifying and describing benitoite and joaquinite. [ 1 ] [ 2 ] Biography
The Riverworld series consists of five science fiction novels (1971–1983) by American author Philip José Farmer (1918–2009). The Riverworld is an artificial, or heavily terraformed, planet where all humans (and pre-humans) who ever lived throughout history have been restored to life. The novels (and a few shorter works) explore ...