Revelation 4:6

Before the throne there was a sea of glass like unto crystal: and towards the throne, and round about the throne were four ANIMALS full of eyes before and behind.

Revelation 5:6

And I beheld, and saw before the throne, in the midst of the four animals, and in the midst of the elders, a lamb which seem'd to have been slain, having seven horns, and seven eyes, which are the seven spirits of God sent forth into all the earth.

Revelation 15:2

and I saw as it were a sea of glass, mingled with fire; and those that had been victorious over the beast, and over his image, and over the number of his name, standing on the sea of glass, with their divine harps in their hands.

Revelation 7:11

and all the angels who stood round about the throne, and about the elders, and the four animals fell before the throne on their faces, and worshipped God, saying, amen:

Revelation 14:3

and a new song was sung before the throne, and before the four animals, and the elders: and no one could learn that song, but the hundred forty four thousand, who were ransom'd from the earth.

Revelation 15:7

and one of the four animals gave to the seven angels, seven golden vials full of the wrath of God, who liveth for ever and ever.

Revelation 19:4

Then the four and twenty elders, and the four animals fell down and worshipped God that sat on the throne, saying, "amen; alleluia."

Revelation 4:8-9

the four animals had each of them six wings about him, and they were full of eyes within; and they never ceas'd day and night, crying, HOLY, HOLY, HOLY, Lord God ALMIGHTY, WHO WAS, WHO IS, AND WHO WILL BE. and when those animals gave glory,

Revelation 5:14-1

and the four animals said, amen. and the four and twenty elders fell down and worshipped him that liveth for ever and ever.

Revelation 7:17

for the lamb who is in the midst before the throne, shall feed them, and shall lead them to living fountains of waters: and God shall wipe away all tears from their eyes.

Revelation 21:11

it blaz'd with the glory of God: her luminary was like that of a brilliant, even like a jasper, as transparent as crystal.

Revelation 21:18

the wall was built of jasper; and the city was of pure gold, as pure as glass.

Revelation 21:21

the twelve gates were twelve pearls; each single gate was of one pearl: and the street of the city was pure gold, as splendid as glass.

Revelation 22:1

Then he shewed me a pure river of living water, clear as crystal, proceeding out of the throne of God, and of the lamb.

Treasury of Scripture Knowledge

Summary

And before the throne there was a sea of glass like unto crystal: and in the midst of the throne, and round about the throne, were four beasts full of eyes before and behind.

Bible References

A sea

Revelation 15:2
and I saw as it were a sea of glass, mingled with fire; and those that had been victorious over the beast, and over his image, and over the number of his name, standing on the sea of glass, with their divine harps in their hands.

Crystal

Revelation 21:11
it blaz'd with the glory of God: her luminary was like that of a brilliant, even like a jasper, as transparent as crystal.
Revelation 22:1
Then he shewed me a pure river of living water, clear as crystal, proceeding out of the throne of God, and of the lamb.

The midst

Revelation 5:6
And I beheld, and saw before the throne, in the midst of the four animals, and in the midst of the elders, a lamb which seem'd to have been slain, having seven horns, and seven eyes, which are the seven spirits of God sent forth into all the earth.
Revelation 7:17
for the lamb who is in the midst before the throne, shall feed them, and shall lead them to living fountains of waters: and God shall wipe away all tears from their eyes.

Four beasts

Revelation 4:8
the four animals had each of them six wings about him, and they were full of eyes within; and they never ceas'd day and night, crying, HOLY, HOLY, HOLY, Lord God ALMIGHTY, WHO WAS, WHO IS, AND WHO WILL BE. and when those animals gave glory,
Revelation 5:6
And I beheld, and saw before the throne, in the midst of the four animals, and in the midst of the elders, a lamb which seem'd to have been slain, having seven horns, and seven eyes, which are the seven spirits of God sent forth into all the earth.
Revelation 6:1
Then I saw the lamb open one of the seals, when I heard one of the four animals with a voice like thunder, say, "come, and see."
Revelation 7:11
and all the angels who stood round about the throne, and about the elders, and the four animals fell before the throne on their faces, and worshipped God, saying, amen:
Revelation 14:3
and a new song was sung before the throne, and before the four animals, and the elders: and no one could learn that song, but the hundred forty four thousand, who were ransom'd from the earth.
Revelation 15:7
and one of the four animals gave to the seven angels, seven golden vials full of the wrath of God, who liveth for ever and ever.
Revelation 19:4
Then the four and twenty elders, and the four animals fell down and worshipped God that sat on the throne, saying, "amen; alleluia."

Full

Revelation 4:8
the four animals had each of them six wings about him, and they were full of eyes within; and they never ceas'd day and night, crying, HOLY, HOLY, HOLY, Lord God ALMIGHTY, WHO WAS, WHO IS, AND WHO WILL BE. and when those animals gave glory,