Strong’s Greek
G969 — berullos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
βήρυλλος
berullos — pronounced bay'-rool-los
of uncertain derivation; a "beryl":--beryl.
1 occurrence in the KJV.
Revelation 21:20
The fifth, sardonyx; the sixth, sardius; the seventh, chrysolyte; the eighth, beryl; the ninth, a topaz; the tenth, a chrysoprasus; the eleventh, a jacinth; the twelfth, an amethyst.