native sulphur

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Noun1.native sulphur - an old name for sulfur
atomic number 16, sulfur, sulphur, S - an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
References in periodicals archive ?
The investigated topsoils consist mainly of quartz, the aluminosilicates kaolinite, illite, chlorites and muscovite, the carbonates calcite, dolomite and ankerite, the sulphate gypsum and native sulphur (Fig.
Native sulphur, opaline/chalcedonic silica, quartz-alunite alteration, barite veining exposed in erosional windows
Native sulphur excavation in the surroundings of Krakow, in Swoszowice, also has a long history, dating back to the 15th century.
While the students at the back of the machine blamed each other for what they thought was an afterthought on a rather spicy meal the night before, it was clear to me that the smell came from the glacier itself and that it was the scent of hydrogen sulphide; as for the yellow stuff staining the ice: no doubt it had to be native sulphur.
In parts of the orebody small kernels of pyrite, enargite, covellite, and native sulphur mineralization are present.
Within the altered breccia complex mineralization consists of minor disseminated pyrite, native sulphur, and locally traces of cinnabar, realgar and orpiment.