Assertion: cesium | /r/HasProperty | rare
Facets:
value: extremely
type: DEGREE
value: globally
type: DEGREE
value: in form of the mineral pollucite
type: OTHER
value: in certain brines
type: LOCATION
value: evolved granitic pegmatite rocks
type: LOCATION
Source sentences:
text: Cesium is extremely rare globally.
text: Cesium is a rare metal.
text: Cesium is a very rare element, mostly found in unusual, highly evolved granitic pegmatite rocks in form of the mineral pollucite and in certain brines.
text: Caesium is a relatively rare element, estimated to average 3 parts per million in the Earth's crust.
text: also caesium, rare alkaline metal, 1861, coined by Bunsen and Kirchhoff in 1860 in Modern Latin (caesium), from Latin caesius "blue-gray" (especially of eyes), in reference to the two prominent blue lines in its spectrum, by which it was first identified.
text: Cesium is a rare metallic chemical element that is used in an assortment of industries.
text: Cesium is extremely rare globally.