Sulphur
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“An allotrope of sulphur, when heated to 115 degrees Celcius, will cool to be yellowish-brown, needle-shaped crystals, derived from an oblique prism.” —Hallock 1905
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Chemical Elements and CompoundsSource
V. I. Hallock I.C.S. Refrence Library (Scranton: International Textbook Company, 1905) 11:36
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