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Alpha quartz. This habit is referred to as the Cumberland habit. Dal'negorsk, Primorskiy Kray, Ru… | Crystals minerals, Minerals crystals rocks, Stones and crystals
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Quartz - SiO 2
Structure of alpha quartz (P3 2 21) projected on (0001). Selection of... | Download Scientific Diagram
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The trouble with crystal polymorphism
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Crystals | Free Full-Text | Hydrothermal Crystal Growth of Piezoelectric α-Quartz Phase of AO2 (A = Ge, Si) and MXO4 (M = Al, Ga, Fe and X = P, As): A Historical Overview