Assertion: gypsum alabaster | /r/AtLocation | england
Facets:
value: at chellaston in derbyshire
type: LOCATION
Source sentences:
text: Gypsum alabaster is a common mineral, which occurs in England in the Keuper marls of the Midlands, especially at Chellaston in Derbyshire, at Fauld in Staffordshire, and near Newark in Nottinghamshire.