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J&J didn’t tell the FDA about a 1974 test by a professor at Dartmouth College in New Hampshire that turned up asbestos in talc from J&J – “fiberform” actinolite, as he put it.

In its March 2013 final report, the EPA said it found actinolite asbestos along a road cut on the northeastern side of Burlington Hill.

The actinolite slate is dark green, and formed by an almost insensible gradation from the mica slate.

Some authors believe that the development of saussurite from felspar is also dependent on pressure rather than on weathering, and an analogous change may affect the olivine, replacing it by talc, chlorite, actinolite and garnet.

His bathroom walls were slabs of glossy actinolite, inlaid with cinnabar, jade, galena, pyrite and blue malachite, in representations of fantastic birds.