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aidb
chalk
Image: Wikimedia Commons

chalk

Soft, white, porous sedimentary rock

Entitysedimentary rockQ183670
Instance of
Subclass of

Overview

All data

42 statements · 31% with external sources · numbers in brackets are citations

Color
Different from
2022 Harmonized System Code
Has use

On other databases

32 identifiers linking chalk across the web's reference databases