The word(s) "blackened" appears 3 time(s) in 2 verse(s) in Quran in Muhammad Pickthal translation.

(1) On the Day when (some) faces will be whitened and (some) faces will be blackened; and as for those whose faces have been blackened, it will be said unto them: Disbelieved ye after your (profession of) belief? Then taste the punishment for that ye disbelieved.

(سورة آل عمران, Aal-i-Imraan, Chapter #3, Verse #106)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) And on the Day of Resurrection thou (Muhammad) seest those who lied concerning Allah with their faces blackened. Is not the home of the scorners in hell?

(سورة الزمر, Az-Zumar, Chapter #39, Verse #60)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)