Yes, all sins are forgiveable, so long as the person's repentance is genuine and sincere. The only exception is for blaspheming or speaking against the Holy Spirit.
Jesus tells us that every sin and blasphemy will be forgiven, but the blasphemy against the Holy Spirit. (Matthew 12:31-32)
There is no precise list of mortal sins in the Catholic Church.
Moral sins, also known as mortal sins, are serious violations of God's law that harm one's relationship with God. They are considered grave matter, committed with full knowledge and deliberate consent. Examples include murder, adultery, and theft. Receiving the sacrament of reconciliation is necessary to seek forgiveness for moral sins.
Mortal sins are more serious than venial sins, and they have more serious consequences: With mortal sin, the life of grace is lost and the sinner is in danger of hell. With venial sin, the life of grace is weakened but not lost. Even so, venial sins should not be taken lightly, since habitual venial sins can harden one to commit mortal sin.
Mortal Sins - 1992 TV is rated/received certificates of: Iceland:12 USA:PG-13
Mortal Sins - 1989 is rated/received certificates of: Finland:K-16 (video rating) Iceland:16 USA:R
Venial and mortal sins
Highlander - 1992 Mortal Sins 3-19 is rated/received certificates of: Argentina:13
Though it is recommended to confess all sins, the only mandatory ones to confess are mortal sins. Sins that have been committed with full intention of committing it, full knowledge of how evil it is, and that are grave sins (All three conditions must be met for a sin to be mortal).
Forensic Files - 2000 Mortal Sins 7-24 was released on: USA: 6 December 2006
The Catholic Church does not have a "list" of sins. Simply, a mortal sin is a sin that merits hell. For a sin to be considered mortal three conditions need to be met: * Mortal sin is a sin of grave matter * Mortal sin is committed with full knowledge of the sinner * Mortal sin is committed with deliberate consent of the sinner
You can receive the sacrament of Penance if you have any sin including not only mortal sins but venial sins as well. If you have sin, it is recommended but not necessary to receive the sacrament (Except for mortal sins where you must confess it)
The prefix for forgivable is "un-".