Assertion: opal | /r/HasProperty | formed
Facets:
value: from the joyous tears
type: OTHER
value: from "lumps" of silica
type: OTHER
value: from amorphous "balls"
type: OTHER
Source sentences:
text: Opal is formed by and still maintains a great deal of Water energy, the energy of stillness, quiet strength, and purification.
text: Opal is formed by and still maintains a great deal of Water energy, the energy of stillness, quiet strength, and purification.
text: As the opal is formed, silica replaces the organic material and carbonaceous material or impurities like titanium impregnates the mineral structure giving the Black Opal its body colour.
text: They are formed when the sediment is laid down, pressed and buried to make rock.
text: This is an exhibition literally millions of years in the making because these opals were formed back when dinosaurs walked the earth and central Australia was an inland sea," said Museum Director Brian Oldman.
text: Opal is a non-crystalline form of the mineral silica and is formed from amorphous "balls" or "lumps" of silica.
text: In Greek mythology, Opal was believed to be formed from the joyous tears wept by Zeus after he defeated the Titans.