Mineralogical Journal
Online ISSN : 1881-4174
Print ISSN : 0544-2540
ISSN-L : 0544-2540
Short Communication
Variation in chemical composition of naturally occurring lead-bearing barite (hokutolite) having crystallized since 1953 at Tamagawa Hot Spring
Nobuyuki SASAKIKunihiko WATANUKI
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1983 Volume 11 Issue 6 Pages 297-302

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Abstract
Natural hokutolite from Tamagawa Hot Spring was examined in its chemical composition and lattice constant. There are appreciable changes in the chemical composition and the lattice constants of the mineral along the direction of crystal growth. These changes well correspond to the changes in the concentrations of sulfate and iron ions in the hot spring water.
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© 1983 Japan Association of Mineralogical Sciences
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