| 1. | Thomsonite was first identified in material from Scotland in 1820.
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| 2. | Globally, thomsonite is one of the rarer zeolites.
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| 3. | In 1820 he identified a new zeolite mineral, named thomsonite in his honour.
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| 4. | The species are visually indistinguishable and the series name thomsonite is used whenever testing has not been performed.
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| 5. | Nodules of massive thomsonite that display an attractive banded coloring are found along the shore of Lake Superior.
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| 6. | Thomsonite occurs with other zeolites in the amygdaloidal cavities of basaltic volcanic rocks, and occasionally in granitic pegmatites.
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| 7. | "' Thomsonite "'is the name of a series of tecto-silicate minerals of the zeolite group.
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| 8. | Most of these thomsonite nodules and their derived pebbles are less than 0.6 cm ( 1 / 4 inch ).
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| 9. | These include Nova Scotia's provincial mineral stilbite, as well as heulandite, analcime, chabazite, gmelinite, natrolite and thomsonite.
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| 10. | Associated minerals include melilite, spurrite, tobermorite, thomsonite, larnite, grossular, bultfonteinite, calcite, analcime, foshagite and hillebrandite.
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