Clay

A naturally occurring fine-grained earthy material composed largely of clay minerals, unfired.

Where Clay sits among every term. Drag to turn; choose a dot to open it.

How it connects

Clay is a kind of Mineral.

Clay includes Kaolin.

Other kinds of Mineral: Aluminium hydroxide, Barium sulfate, Calcium carbonate, Carbon black, Cementitious, Ceramic, Feldspar, Filler, Flame retardant additive, Glass, Gypsum, Jade, Mica, Mineral oxide, Mineral wool, Obsidian, Pigment, Plaster, Plasterboard, Sand, Silica, Silicon, Stone, Talc and Zinc sulfide.

In other taxonomies

ClaysUniclass, Ma_20_16nearly the same
clayGetty AAT, 300010439nearly the same
clayWikidata, Q42302nearly the same

For developersRecord, identifiers and graph

Where it sits

One rule per term beside it, taller for each narrower term

Top of the axis

Mineral26

Clay

26 terms, Ceramic to Aluminium hydroxide

Narrower than Clay

Kaolin

The word “clay”

2 meanings

ClayMaterial, this termNo default
clayColorScope named colorNo default

Record

Broader: Mineral
Narrower: Kaolin
Provenance: referencedhttps://pubs.usgs.gov/info/clays/, read 30 Aug 2026

For machines

Permanent address

/id/material/clay

This termGET /v1/concepts/material/clay
The word, every meaningGET /v1/term/clay

This page asJSON-LDorTurtle

Knowledge graph

Stored incoming and outgoing relations from the public V1 graph. Ancestors, descendants, and siblings are labelled as derived views rather than stored facts.

has-conceptMaterialincoming
has-conceptMaterialincoming
belongs-to-axisMaterialoutgoing
belongs-to-facetMaterialoutgoing
broaderMineraloutgoing
narrowerKaolinoutgoing
broaderKaolinincoming
narrowerMineralincoming

Derived hierarchy views

ancestor (derived)Mineraloutgoing
descendant (derived)Kaolinoutgoing
sibling (derived)Aluminium hydroxideoutgoing
sibling (derived)Barium sulfateoutgoing
sibling (derived)Calcium carbonateoutgoing
sibling (derived)Carbon blackoutgoing
sibling (derived)Cementitiousoutgoing
sibling (derived)Ceramicoutgoing
sibling (derived)Feldsparoutgoing
sibling (derived)Filleroutgoing
sibling (derived)Flame retardant additiveoutgoing
sibling (derived)Glassoutgoing
sibling (derived)Gypsumoutgoing
sibling (derived)Jadeoutgoing
sibling (derived)Micaoutgoing
sibling (derived)Mineral oxideoutgoing
sibling (derived)Mineral wooloutgoing
sibling (derived)Obsidianoutgoing
sibling (derived)Pigmentoutgoing
sibling (derived)Plasteroutgoing
sibling (derived)Plasterboardoutgoing
sibling (derived)Sandoutgoing
sibling (derived)Silicaoutgoing
sibling (derived)Siliconoutgoing
sibling (derived)Stoneoutgoing
sibling (derived)Talcoutgoing
sibling (derived)Zinc sulfideoutgoing

Crosswalks

External mappings and dated negative results for Clay
Scheme	Identifier	Their label, or the search	How close
Uniclass	Ma_20_16	Clays	nearly the same
Getty AAT	300010439	clay	nearly the same
Wikidata	Q42302	clay	nearly the same