Talk:Vermiculite

message: The section on controversy begins objectively but then turns into fairly loaded narrative.  My primary example is the following paragraph:
"The vermiculite deposit at the mine in Libby, Montana, was (and is) heavily contaminated with asbestos.[broken citation][6] Numerous people were knowingly[broken citation][7] exposed to the harmful dust of vermiculite that contained asbestos. Unfortunately, the mine had been operating since the 1920s, and environmental and industrial controls were virtually non-existent until the mine was purchased by the W.R. Grace Company in 1963. Yet, knowing the human health risks, the mining company still continued to operate there until 1990. Consequently, many of the former miners and residents of Libby have been affected and continue to suffer health problems. Over 200 people in the town have died from asbestos-related disease due to contamination from vermiculite mining from nearby Zonolite Mountain, where soil samples were found to be loaded with fibrous tremolite (known to be a very toxic form of asbestos), and countless others there who insulated their homes with Zonolite have succumbed to asbestos-related diseases, most of whom never were employed in environments where asbestos was an issue.[broken citation][8]"--
I have bolded the sections that I consider to be either narrative and inappropriate for an objective statement of fact or they are claims that really need to be supported by some sort of citation.  Sorry, if I'm noting this incorrectly.  I am new to editing wikipedia and am not yet comfortable enough with the procedures to make the corrections myself.  — Preceding unsigned comment added by WRXspec (talk • contribs) 15:42, 22 July 2011 (UTC)
thread_title: Questions

message: ...of South Africa and the Johannesburg Securities Exchange#P, which according to its website, produces 80% of vermiculite sold globally.  Company also produces a lot of copper ore and smelted refined copper metal in anode and rod form.  http://www.palabora.com/ --Mr Accountable (talk) 15:05, 4 September 2008 (UTC)
thread_title:  Palabora Mining Company Limited 

message: "Expand on the aplication with heat" doesn't all or almost all metireals? J (talk) 14:12, 10 January 2010 (UTC)
thread_title:  Thermal expansivity 

message: "it has 2 tetrahedral sheets for every one octahedral sheet. " - could this be explained for the layperson? The link to tetrahedron is about the shape, and doesn't mention clay. --Chriswaterguy talk 23:35, 5 March 2011 (UTC)
thread_title:  sheets 

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thread_title:  External links modified 

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*Added archive http://web.archive.org/web/20130925090644/http://www.vermiculite.org/pdf_word/Vermiculite_Horticultural_Brochure.pdf to http://www.vermiculite.org/pdf_word/Vermiculite_Horticultural_Brochure.pdf
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thread_title:  External links modified 

message: "Today spray-applied fireproofing materials use vermiculite, other industrial minerals, and expanded polystyrene, depending upon the exact commercial product."
Expanded polystyrene does seem very unsuitable for fire-proofing, even if a fireretardant is added and the product is only used as a binder. It should only be used as thermal insulation keeping its flammability in mind. Grenfell Tower shows how dangerous is can be.150.227.15.253 (talk) 10:17, 11 January 2018 (UTC)
thread_title:  Fireproofing, but not with polystyrene!