Assertion: arsenic | /r/AtLocation | many minerals
Facets:
value: as a pure elemental crystal
type: MANNER
value: naturally
type: MANNER
Source sentences:
text: Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal.
text: Arsenic occurs naturally in soil and minerals and it therefore may enter the air, water, and land from wind-blown dust and may get into water from runoff and leaching.
text: Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal.
text: Arsenic occurs in many minerals , usually in combination with sulfur and metals , but also as a pure elemental crystal .