Earth, Planets and Space

Table 2 Representative chemical compositions of pyrrhotite

From: Magnetic petrology of pumice fall deposits of the 1783 eruption of Asama volcano, Japan

	2p		21pu
	1	2	3	4
wt.%
Fe	59.93	58.66	59.77	59.14
Cu	1.11	1.89	1.85	1.55
S	37.65	38.17	37.45	37.22
Total	98.69	98.72	99.06	97.91
at.%
Fe	47.38	46.26	47.20	47.18
Cu	0.77	1.31	1.29	1.09
S	51.85	52.43	51.52	51.73
Total	100	100	100	100

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