Asbestiform

The formation of asbestiform amphiboles must result from multiple nucleation and specific growth conditions. ❋ Unknown (2007)

Of the amphiboles, only a few varieties have an asbestiform habit and the latter occur in relatively low quantities. ❋ Unknown (2007)

The difference between asbestiform and massive amphibole minerals is obvious on the macroscopic scale, although the crystalline structures of the two varieties do not exhibit substantial differences. ❋ Unknown (2007)

The asbestiform amphiboles tend to have a larger number of crystal defects (Wadsley defects and twinning and chain-width disorder) than the nonasbestiform varieties. ❋ Unknown (2007)

However, the statistical average of their aspect ratio is considerably lower than that of the asbestiform amphiboles. ❋ Unknown (2007)

Libby vermiculite is contaminated with an especially toxic form of naturally-occurring asbestos called tremolite-actinolite asbestiform mineral fibers. ❋ Unknown (2009)

Excess risk of pleural mesothelioma from past exposures to asbestos, as evidenced by a trend of high incidence rates during the last half century, appears to be the result of nonchrysotile asbestiform fibers. ❋ Unknown (2008)