The daughter of a woman killed in the New Zealand mosque shootings challenged white supremacist Brenton Tarrant at his sentencing hearing to use his life in prison to consider the beauty of the diversity and freedom he sought to destroy.

The daughter of Linda Armstrong sobbed as she addressed the court in Christchurch on Tuesday, the second day of the sentencing hearing.

"You robbed me of my mother, of her love and strength. Likely you will also never again feel the love and warmth of your mother's hug either. While I have pity for your mum, I have no emotion for you. You are...