G2930
κρύσταλλος
crystal
κρύσταλλος, -ου, ὁ (κρύος, frost), [in LXX: Job.38:29, Psa.147:17, Eze.1:22 (קֶרַח), etc. ;] crystal: Rev.4:6 22:1.† (AS)
The KJV translates G2930 in the following manner:
crystal (4x)
Full Thayer's lexicon entry
κρύσταλλος — krýstallos
κρύσταλλος, κρυστάλλου, ὁ (from κρύος ice; hence properly, anything congealed (cf. Latincrusta) and transparent) (from Homer down), crystal: a kind of precious stone, Rev 4:6; Rev 22:1; (cf. B. D. under the word. On its gender cf. Liddell and Scott, under the word II.)
STRONGS NT 2930a: κρυφαῖοςκρυφαῖος, κρυφαίᾳ, κρυφαιον (κρυφᾶ), hidden, secret: twice in Mat 6:18 L T Tr WH. (Jer 23:24; Wis 17:3; in Greek writings from Aeschylus and Pindar down.)
2 occurrences