Hematite

Harmony / Balance / Protection / Grounding / Can help us accumulate new knowledge and ideas / Focus / Concentration / Connection to the Earth / Can help us be secure in ourselves and build self-esteem / Courage / Strength / Resilience / Vitality / Health / Healing / Memory and authentic thinking enhancement / Confidence / Optimism / Willpower / Trust in ourselves, our relationships, in life itself.

You can program a crystal, which means asking its help with something specific of all that it can offer you. However, this is not mandatory. The crystal will help you anyway where the universe deems you need reinforcement or assistance. Basic condition of course is that you value it and believe in its power.