- Original: χαλκηδών - Transliteration: Chalkedon - Phonetic: khal-kay-dohn' - Definition: 1. chalcedony is a precious stone of misty grey colour, clouded with blue, yellow, or purple - Origin: from G5475 and perhaps G1491 - TDNT entry: None - Part(s) of speech: Noun Masculine - Strong's: From G5475 and perhaps G1491 ; copper like that is chalcedony: - chalcedony. Total KJV Occurrences: 1 • chalcedony, 1 Revelation 21:19