Revelation 9:17

And thus I saw the horses in the vision and them that sat on them, having breast-plates of fire and hyacinth and brimstone: and the heads of the horses are as the heads of lions, and out of their mouths goeth fire, and smoke and brimstone.

Revelation 9:18

By these three plagues were the third part of men killed, by the fire, and the smoke, and the brimstone which went out of their mouths.

Revelation 14:10

He shall also drink of the wine of the wrath of God, which is poured unmixt into the cup of his indignation, and shall be tormented with fire and brimstone, in the presence of the holy angels, and in the presence of the Lamb.

Revelation 19:20

And the wild beast was taken, and with him the false prophet, who had wrought the miracles before him, with which he deceived them who had the mark of the wild beast, and them who had worshiped his image. These two were cast alive into the lake of fire burning with brimstone.

Revelation 21:8

But the fearful, and unbelieving, and abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, their part is in the lake that burneth with fire and brimstone, which is the second death.

Revelation 9:9

And they had breast-plates as it were breast-plates of iron, and the sound of their wings was as the sound of chariots of many horses running to battle.

Revelation 11:5

And if any one would hurt them, fire proceedeth out of their mouth and devoureth their enemies, and if any would kill them, he must thus be killed.

Revelation 20:10

And the devil that deceived them was cast into the lake of fire and brimstone, where both the wild beast and the false prophet are: and they shall be tormented day and night for ever and ever.

Revelation 21:20

the third a chalcedony, the fourth an emerald, The fifth a sardonyx, the sixth a sardius, the seventh a chrysolite, the eighth a beryl, the ninth a topaz, the tenth a chrysophrase, the eleventh a jacinth, the twelfth an amethyst.

Treasury of Scripture Knowledge

Summary

And thus I saw the horses in the vision, and them that sat on them, having breastplates of fire, and of jacinth, and brimstone: and the heads of the horses were as the heads of lions; and out of their mouths issued fire and smoke and brimstone.

Bible References

Having

Revelation 9:9
And they had breast-plates as it were breast-plates of iron, and the sound of their wings was as the sound of chariots of many horses running to battle.

Jacinth

Revelation 21:20
the third a chalcedony, the fourth an emerald, The fifth a sardonyx, the sixth a sardius, the seventh a chrysolite, the eighth a beryl, the ninth a topaz, the tenth a chrysophrase, the eleventh a jacinth, the twelfth an amethyst.

Brimstone

Revelation 9:18
By these three plagues were the third part of men killed, by the fire, and the smoke, and the brimstone which went out of their mouths.
Revelation 14:10
He shall also drink of the wine of the wrath of God, which is poured unmixt into the cup of his indignation, and shall be tormented with fire and brimstone, in the presence of the holy angels, and in the presence of the Lamb.
Revelation 19:20
And the wild beast was taken, and with him the false prophet, who had wrought the miracles before him, with which he deceived them who had the mark of the wild beast, and them who had worshiped his image. These two were cast alive into the lake of fire burning with brimstone.
Revelation 21:8
But the fearful, and unbelieving, and abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, their part is in the lake that burneth with fire and brimstone, which is the second death.