Improve Chalkstone meaning in Urdu

Is there any meaning of the word chalkstone that needs an edit? Please click that meaning to rewrite it.

چاک اسٹون

Is there any meaning of the word chalkstone that needs to be removed from the list? Please click that meaning to mark it for deletion.

چاک اسٹون

Do you want to add a new meaning, definition, and a sentence of the word chalkstone? Please feel free to add.