halloysite
Instance URI: http://resource.geosciml.org/classifier/cgi/commodity-code/halloysite
Within scheme: South Australian Commodity Codes
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.
| Type |
Concept
|
|---|---|
| Is Defined By |
ns2:commodity-code
|
| Label |
halloysite
en
|
| Status |
ns3:original
|
| Has Exact Match |
ns5:halloysite
|
| Notation |
Hall
ns7:AbbreviatedLabel
01.02.10.04 ns7:LocalHierarchyKey |
| Preferred Label |
halloysite
en
|
| Citation |
http://en.wikipedia.org/wiki/Halloysite
xsd:anyURI
|
| Broader |
clay
|