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4 results for “Thorite”

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Britannica 11th

Encyclopaedia Britannica · 11th edition

4 matches

Thorite

Britannica 11th

THORITE, a rare mineral consisting of thorium silicate, crystallizing in the tetragonal system and isomorphous with zircon. The theoretical formula, ThSiCu, requires 81-5 % of thoria, but analyses show only 50-70%, there being also some uranium, cerium, &c. Th ...

Vol. 26, pp. 878-878 OCR text aligned to scanned pages Relevance 330.0

Thorianite

Britannica 11th

THORIANITE, a rare mineral, discovered by W. D. Holland, and found in the gem-gravels of Ceylon, where it occurs as small, heavy, black, cubic crystals, usually much water-worn. It was so named by W. R. Dunstan, on account of its high percentage of thorium (ab

Vol. 26, pp. 878-878 OCR text aligned to scanned pages Relevance 37.06

Erythrite

Britannica 11th

ERYTHRITE, the name given to (i) a mineral composed of a hydrated cobalt arsenate, and (2) in chemistry, a tetrahydric alcohol, (i) The mineral erythrite has the formula Co3(AsO4)2-8H2O, and crystallizes in the monoclinic system and is isomorphous with viviani

Vol. 9, pp. 758-758 OCR text aligned to scanned pages Relevance 33.75

Thor

Britannica 11th

THOR, one of the chief deities of the heathen Scandinavians. He is represented as a middle-aged man of enormous strength, quick to anger, but benevolent towards mankind. To the harmful race of giants (demons), on the other hand, he was an implacable foe, and m

Vol. 26, pp. 876-876 OCR text aligned to scanned pages Relevance 32.73