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3 results for “Argyrodite”
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Britannica 11th
Encyclopaedia Britannica · 11th edition
Argyrodite
Britannica 11thARGYRODITE, a mineral which is of interest as being that in which the element germanium was discovered by C. Winkler in 1886. It is a silver sulpho-germanate, AgjGeSe, and crystallizes in the cubic system. The crystals have the form of the octahedron or rhombi ...
Vol. 2, pp. 488-488
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Relevance 330.0
Aragonite
Britannica 11thARAGONITE, one of the mineral forms of calcium carbonate (CaCOj), the other form being the more common mineral calcite. It crystallizes in the orthorhombic system, and the crystals are either prismatic or acicular in habit. Simple crystals are, however, rare;
Vol. 2, pp. 314-314
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Relevance 33.16
Argyllshire
Britannica 11th... ays of Conall I., the descendant of Fergus in the fourth generation, St Columba ARGYRODITE— ARGYROPULUS appears. Conall died in 574, and Columba was mainly instrumental in establishing his first cousin, Aidan, founder of the Dalriad kingdom and ancestor of the ...
Vol. 2, pp. 486-488
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Relevance 12.0