Revelation 15:2

And I saw what was like a sea of glass mixed with fire, and, standing beside the sea of glass, those who came off conquerors from the Beast and his statue and the cipher of his name; they had harps of God

Revelation 4:6

also in front of the throne there is like a sea of glass, resembling crystal. And on each side of the throne, all round it, four living Creatures full of eyes inside and outside;

Revelation 5:8

And when it took the scroll, the four living Creatures and the four and twenty Presbyters fell down before the Lamb, each with his harp and with golden bowls full of incense (that is, full of the prayers of the saints),

Revelation 12:11

But they have conquered him by the blood of the Lamb and by the word of their testimony; they had to die for it, but they did not cling to life.

Revelation 21:18

The material of the wall is jasper, but the City is made of pure gold, transparent like glass.

Matthew 3:11

I baptize you with water for repentance, but he who is coming after me is mightier, and I am not fit even to carry his sandals; he will baptize you with the holy Spirit and fire.

1 Peter 1:7

that is only to prove your faith is sterling (far more precious than gold which is perishable and yet is tested by fire), and it redounds to your praise and glory and honour at the revelation of Jesus Christ.

1 Peter 4:12

Beloved, do not be surprised at the ordeal that has come to test you, as though some foreign experience befell you.

Revelation 11:11-12

But after three days and a half the breath of life from God entered them; they stood on their feet (terror fell on those who saw them)

Revelation 13:14-5

and by dint of the miracles he is allowed to perform in presence of the Beast, he seduces the dwellers on earth; he bids the dwellers on earth erect a statue to the Beast who lived after being wounded by the sword,

Revelation 19:1-7

After that I heard what was like the shout of a great host in heaven, crying, "Hallelujah! salvation and glory and power are our God's!

Treasury of Scripture Knowledge

Summary

And I saw as it were a sea of glass mingled with fire: and them that had gotten the victory over the beast, and over his image, and over his mark, and over the number of his name, stand on the sea of glass, having the harps of God.

Bible References

A sea

Revelation 4:6
also in front of the throne there is like a sea of glass, resembling crystal. And on each side of the throne, all round it, four living Creatures full of eyes inside and outside;
Revelation 21:18
The material of the wall is jasper, but the City is made of pure gold, transparent like glass.

Mingled

Matthew 3:11
I baptize you with water for repentance, but he who is coming after me is mightier, and I am not fit even to carry his sandals; he will baptize you with the holy Spirit and fire.
1 Peter 1:7
that is only to prove your faith is sterling (far more precious than gold which is perishable and yet is tested by fire), and it redounds to your praise and glory and honour at the revelation of Jesus Christ.
1 Peter 4:12
Beloved, do not be surprised at the ordeal that has come to test you, as though some foreign experience befell you.

That had

Revelation 11:11
But after three days and a half the breath of life from God entered them; they stood on their feet (terror fell on those who saw them)
Revelation 12:11
But they have conquered him by the blood of the Lamb and by the word of their testimony; they had to die for it, but they did not cling to life.
Revelation 13:14
and by dint of the miracles he is allowed to perform in presence of the Beast, he seduces the dwellers on earth; he bids the dwellers on earth erect a statue to the Beast who lived after being wounded by the sword,
Revelation 14:1
Then I looked, and there was the Lamb standing on mount Sion, and along with him a hundred and forty-four thousand bearing his name and the name of his Father written on their foreheads!

Having

Revelation 5:8
And when it took the scroll, the four living Creatures and the four and twenty Presbyters fell down before the Lamb, each with his harp and with golden bowls full of incense (that is, full of the prayers of the saints),
Revelation 14:2
And I heard a voice from heaven like the sound of many waves and the sound of loud thunder; the voice I heard was like harpists playing on their harps;
Revelation 19:1
After that I heard what was like the shout of a great host in heaven, crying, "Hallelujah! salvation and glory and power are our God's!