Revelation 9:13
The sixth angel blew his trumpet. I heard a voice from the golden altar that is before God.
Exodus 30:2-3
Make it eighteen inches square and thirty-six inches high. The horns that extend out of it and the altar should be made out of one piece of wood.
Hebrews 9:24
Christ has not entered into the Holy Place made with human hands. This is a copy of the true one. He has entered into heaven to appear before the presence of God for us.
Hebrews 10:21
having a high priest over the house of God,
Revelation 8:3-5
Another angel, with a golden incense vessel, came and stood at the altar. He was given much incense so he could offer it with the prayers of all the holy ones upon the golden altar before the throne.
Revelation 9:1
The fifth angel blew his trumpet. I saw a star fall from heaven to the earth. The key of the bottomless pit was given to him.