Assertion: gypsum | /r/HasProperty | known in old english
Facets:
value: as spærstān
type: OTHER
value: “spear stone”
type: OTHER
value: "spear stone"
type: OTHER
Source sentences:
text: Gypsum was known in Old English as spærstān, "spear stone", referring to its crystalline projections.
text: Gypsum was known in Old English as spærstān, “spear stone”, referring to its crystalline projections.