Asbestos
| Asbestos | |
|---|---|
 | |
| General | |
| Category | Meeneral |
| Strunz clessification | 09.ED.15 |
| Dana clessification | 71.01.02d.03 |
| Creestal seestem | Orthorhombic |
| Identification | |
| Formula mass | 277.11 g |
| Colour | Green, reid, yellae, white, blue |
| Creestal habit | Amorphous, granular, massive |
| Fractur | Fibrous |
| Mohs scale haurdness | 2.5–3 |
| Skinkle | Silky |
| Streak | White |
| Optical properties | Biaxial |
| Birefringence | 0.008 |
| 2V angle | 20° tae 60° |
| Dispersion | relatively waik |
| Ultraviolet fluorescence | Non-fluorescent |
Asbestos is a set o sax silicate minerals that occurs naitural-like.[1] The things thay aa hae in common is thair eponymous asbestiform habit: lang (aboot 1:20 aspect ratio), thin fibrous creestals, wi ilka viesible feebre makkit o millions o microscopic "fibrils" that can be released bi abrasion an ither processes.[2] Thay are for ordinar kent bi thair colours, the likes o blue asbestos, broun asbestos, white asbestos, an green asbestos.
References
[eedit | eedit soorce]- ↑ Alleman, James E.; Mossman, Brooke T (Julie 1997). "Asbestos Revisited" (PDF). Scientific American. 277: 54–57. Bibcode:1997SciAm.277a..70A. doi:10.1038/scientificamerican0797-70. Archived frae the original (PDF) on 2010-06-03. Retrieved 26 November 2010. Unknown parameter
|deadurl=ignored (help) - ↑ Gee, David; Greenberg, Morris (9 Januar 2002). "Asbestos: from 'magic' to malevolent mineral" (PDF). Late lessons from early warnings: the precautionary principle 1896–2000. Copenhagen: EEA (22): 52–63. ISBN 92-9167-323-4. Retrieved 20 Apryle 2010.
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