Labradorite has a calming and harmonizing effect, so it is a wonderful stone for quick tempered people. It improves intuition and clarifies the holders own views and objectives. Labradorite is said to provide quick relief from anxiety, hopelessness and depression.
Howlite teaches you patience and helps to remove rage and uncontrolled anger. Carry howlite in your pocket when you are going to be in a place where anger and rage could possibly occur. It will help to keep you calm and settle everyone else down as well.
Be sure to cleanse your crystal after each encounter.