Wahyu 18:4

18:4 Then ¹  I heard another voice from heaven saying, “Come out of her, my people, so you will not take part in her sins and so you will not receive her plagues,

Wahyu 21:19

21:19 The foundations of the city’s wall are decorated ²  with every kind of precious stone. The first foundation is jasper, the second sapphire, the third agate, ³  the fourth emerald,

[18:4]  ¹ tn Here καί (kai) has been translated as “then” to indicate the implied sequence within the narrative.

[21:19]  ² tn The perfect participle here has been translated as an intensive (resultative) perfect.

[21:19]  ³ sn Agate (also called chalcedony) is a semiprecious stone usually milky or gray in color (L&N 2.32).