Assertion: obsidian | /r/HasProperty | jet black
Facets:
value: in one direction
type: LOCATION
value: in colour
type: OTHER
value: typically
type: DEGREE
Source sentences:
text: It presents a different appearance depending on how it is cut: in one direction it is jet black, while in another it is glistening gray.
text: Though obsidian is typically jet-black in colour, the presence of hematite (iron oxide) produces red and brown varieties, and the inclusion of tiny gas bubbles may create a golden sheen.
text: It presents a different appearance depending on how it is cut: in one direction it is jet black, while in another it is glistening gray.
text: Obsidian is most frequently jet black, but can be dark brown, gray or gray-green.
text: It presents a different appearance depending on how it is cut: in one direction it is jet black, while in another it is glistening gray.