amphibole

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  • noun

Words related to amphibole

a mineral or mineral variety belonging to the amphibole group

References in periodicals archive ?
Amphibole is typically second in abundance to plagioclase, and is mainly calcic amphibole of magnesio-hornblende composition (White 1996).
Amphibole, biotites and feldspar compositions were determined by optical properties, such as relief, pleochroic colors, 2v angle amplitude, birefringence, extinction angles, optic figure and sign; for twinned plagioclase Michel-Levy plagioclase-determination method was used.
Given these results, it is difficult to distinguish differences in potency between chrysotile and amphiboles for lung cancer, because too many studies have major limitations in the exposure assessment component.
The second interesting result is the difference in risk between serpentines and amphiboles.
Commonly, nearly all the amphibole is blue green and the accompanying plagioclase compositions range from oligoclase to andesine.
Finally, these amphiboles differ in homogeneity, geometry, and fiber size distribution.
Fiber count data obtained using PCM do not distinguish between the various amphiboles in the Libby vermiculite.
Key words: amphibole, anthophyllite, asbestos, microscopy, pneumoconiosis.
Collector's Guide to the Amphibole Group covers an important, beautiful set of crystals--the amphiboles--and organizes them in such a way that mineral collectors will understand their properties and structural features.
An example for the kinetic control of weathering reactions is quartz weathering, which should, from a thermodynamic point of view, principally take place, but which proceeds at such low rates that in reality it plays no role in soils, as long as other, more rapidly weathering Si components (phytoliths, amphiboles, feldspars, etc.
2011); and amphiboles and erionite in Southern Nevada (Baumann et al.
A well-organized group of activists is calling for a global ban, arguing on the heritage of the past misuse and high exposures of different asbestos fibre types, in particular the amphiboles.
The rock contains accessory amounts of zircon, tourmaline, garnet, rutile, calcopyrite and glauconite, whereas corundum, amphiboles and disthen have been preserved in Western Estonia [22].