Editing Perlite (section)

==Sources and production==
[[File:Perlite-mine.jpg|thumb|Perlite mine in Owens Valley, California.]]
Perlite is a non-renewable resource. The world reserves of perlite are estimated at 700 million [[tonne]]s.<ref>{{Cite web |last1=Celik |first1=Atila Gurhan |last2=Kilic |first2=Ahmet Mahmut |last3=Çakal |first3=Gaye Ö. |date=2013-02-27 |title=Expanded perlite aggregate characterization for use as a lightweight construction raw material |url=https://www.researchgate.net/publication/278069817 |access-date=2024-05-29 |website=Research Gate}}</ref>

The confirmed resources of perlite existing in [[Armenia]] amount to 150 million m<sup>3</sup>, whereas the total amount of projected resources reaches up to 3 billion m<sup>3</sup>.<ref>{{Cite web|url=http://www.minenergy.am/en/page/472|title=General Information - Mining Resources - www.minenergy.am|website=www.minenergy.am|access-date=2019-06-10}}</ref> Considering specific density of 1.1 ton/m<sup>3</sup> confirmed reserves in Armenia amount to 165 million tons.

Other reported reserves are: Greece - 120 million tonnes, Turkey, USA and Hungary - about 49-57 million tonnes.<ref name="Bennett">{{Cite web|url=https://prd-wret.s3-us-west-2.amazonaws.com/assets/palladium/production/atoms/files/mcs-2019-perli.pdf |archive-url=https://web.archive.org/web/20191224124414/https://prd-wret.s3-us-west-2.amazonaws.com/assets/palladium/production/atoms/files/mcs-2019-perli.pdf |archive-date=2019-12-24 |url-status=live|title=USGS Mineral Commodity Summaries - PERLITE|last=M. Bennett|first=Shawnna|website=U.S. Geological Survey, Mineral Commodity Summaries}}</ref><ref name="USGS">{{Cite web|url=https://www.usgs.gov/centers/nmic/perlite-statistics-and-information|title=Perlite Statistics and Information|website=www.usgs.gov|access-date=2019-06-10}}</ref>

Perlite world production, led by China, Turkey, Greece, USA, Armenia and Hungary, summed up to 4.6 million tonnes in 2018.<ref name="Bennett" /><ref name="USGS" />

[[Patanvav|Osham hills of Patanvav, Gujarat, India]] are the only source of mineral Perlite in India.

{{Anchor|Production and application}}