First evidence of sinter and travertine in Cameroon: fault reactivation and geothermal implications by Tchouatcha, Milan Stafford, Kouske, Arnaud Patrice, Tamfuh, Primus Azinwi, Préat, Alain, Toyama, René, Feumba, Roger, Tiokeng Ngounfack, Vannelle, Madjingain, Vivant, Konglim, Yaya Berinyuy, Tchameni, Rigobert

“…The Laopanga hot spring deposits along the “Cameroon Volcanic Line” (CVL) are distinctive in being both siliceous sinter and travertine, made up of immature amorphous silica and mainly calcite, and associated with detrital deposits such as claystone, sandstone and conglomerate. …”
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A numerical model for duricrust formation by water table fluctuations by C. Fenske, C. Fenske, J. Braun, J. Braun, F. Guillocheau, C. Robin

“…<p>Duricrusts are hard mineral layers forming in climatically contrasted environments. …”
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Phytochemical Profile and Antioxidant Activity of Nigella sativa L Growing in Morocco by Salima Tiji, Ouijdane Benayad, Mohamed Berrabah, Ibrahim El Mounsi, Mostafa Mimouni

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New Occurrence of Seifertite and Stishovite in Chang’E‐5 Regolith by Runlian Pang, Jing Yang, Wei Du, Aicheng Zhang, Shirong Liu, Rui Li

“…Abstract High‐pressure minerals in impact ejecta quantify shock conditions and provide clues for provenance analysis. …”
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The influence of different radiopacifying agents on hermetical sealing ability of calcium silicate and calcium aluminate dental cements by Ćetković Dejan, Zhiyu Cai, Vuković Nemanja, Vuković Zorica, Lei Huaxiang, Biočanin Vladimir, Huang Xiaojing, Jokanović Vukoman, Antonijević Đorđe, Dožić Aleksandra

“…For synthesis of CaSi-based ceramics, calcium chloride pentahydrate (CaCl2⋅5H2O) and silica sol obtained by hydrothermal treatment were used. …”
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Teeth Structure Analysis of Primary Teeth in Children with Congenital Heart Disease (Ventricular Septal Defect) in Erbil City by Huda Raad Mahdi, Omed Ikram Shihab

“…It can also cause sub-optimal concentrations of certain minerals like Ca, P, O2, Na, and Silica in primary teeth. …”
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Performance of sewage sludge reuse in the manufacturing of fired bricks by K. Moulato, M. Ammari, L. Ben Allal

“…The brick samples were then shaped, dried, fired at 930 Celsius degree, and qualified by tests, including linear and mass shrinkage, porosity, water absorption, density, compressive strength, X-ray diffraction, and leaching.FINDINGS: The analyses by X-ray fluorescence and X-ray diffraction of the sludge revealed the presence of mineral constituents, including calcite, silica, kaolinite, and dolomite and shows an important amount of silicon dioxide (31.6 percent) and aluminum oxide (11.5 percent). …”
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Pierre et carrières dans la Saintonge antique : identification, usages et diffusion by Jacques Gaillard, Egle Conforto

“…Scanning electron microscope analysis reveals a mass of grains composed mainly of pure silica, with a minority of other more remarkable grains, wherein silica has combined with elements such as aluminium, potassium and iron. …”
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A Rare Case of Pericardial Effusion in a Patient with Silicosis by Kosuke Saku, Keisuke Yamamoto, Hironori Inoue, Masahiro Ueno

“…Silicosis is an occupational lung disorder caused by inhalation of silica dust. It not only causes respiratory disorders but also affects other organs. …”
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QELBY®-Induced Enhancement of Exclusion Zone Buildup and Seed Germination by Abha Sharma, Dario Toso, Kurt Kung, Gun-Woong Bahng, Gerald H. Pollack

“…A hydrophilic powder, QELBY, from the feldspar family of clay minerals was investigated for its ability to form structured or exclusion-zone (EZ) water. …”
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A comparative analysis of the microstructural and physicochemical properties of alluvial and dune sands from northeast Algerian Sahara by Rafika Hachem, Nassima Meftah, Ahmed Bouaziz

“…-quartz (SiO2), low amounts of calcite (CaCO3), and gypsum minerals (CaSO4;2H2O). The chemical analysis confirmed that both types of sand have a high silica (SiO2) ratio, reaching 80% for dune sand and 70% for alluvial sand, besides very low quantities of Al2O3, Fe2O3, and K2O oxides. …”
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Hydrogeochemical Characteristics and Formation of Low-Temperature Geothermal Waters in Mangbang-Longling Area of Western Yunnan, China by Xing-Wang Chang, Mo Xu, Liang-Wen Jiang, Xiao Li, Yun-Hui Zhang

“…The reservoir temperatures of low-temperature geothermal waters ranged from 111°C to 126°C estimated by silica geothermometry and the silicon-enthalpy graphic method. …”
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Suitability of Sand as Improvement to Mechanical Properties of Laterite Soil for Road Subbase. by Tumusiime, Darious

“…Sand is a fine-grained, granular material composed of silica and other minerals. It is commonly used in various industries and applications, including construction, manufacturing, and agriculture. …”
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