Is “Pyrites” a Scrabble word?
Yes
PYRITES
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Pyrites
noun
1.The common mineral iron disulfide (FeS2), of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system.
2.(usually as a plural: pyrites) Any metallic-looking sulphide, such as the above, which is the most common.
3.(usually as a plural: pyrites) Any metal dichalcogenide that is isostructural to the common mineral.
“Copper diselenide can occur both as a marcasite and a pyrite.”
Synonyms: fool's gold, iron pyrites