chalk (Q41362)
From geokb
A generally soft, white, very fine-grained, extremely pure, porous limestone
- Alm
Language | Label | Description | Also known as |
---|---|---|---|
English | chalk |
A generally soft, white, very fine-grained, extremely pure, porous limestone |
|
Language | Label | Description | Also known as |
---|---|---|---|
English | chalk |
A generally soft, white, very fine-grained, extremely pure, porous limestone |
|