commodity | halloysite |
---|---|
class_a | null |
class_b | null |
class_c | null |
class_d | null |
unit | null |
name | Halloysite |
description | Halloysite is a 1:1 aluminosilicate clay mineral with the empirical formula Al2Si2O5(OH)4. Its main constituents are aluminium (20.90%), silicon (21.76%) and hydrogen (1.56%). Halloysite typically forms by hydrothermal alteration of alumino-silicate minerals.[4] It can occur intermixed with dickite, kaolinite, montmorillonite and other clay minerals. - http://en.wikipedia.org/wiki/Halloysite |
url | http://inspire.ec.europa.eu/codelist/CommodityCodeValue/halloysite |
commoditygroup | ceramicAndRefractoryMinerals |
red | 0 |
green | 183 |
blue | 231 |
crm_2020 | null |
commoditygroup_e_myb | Other minerals |
commodity_and_e_myb | halloysite |
subcommodity_and_e_myb | # |
commodity_portal | Halloysite |