Pyrite

Power / Stability / Intuition / Purification / Inspiration / Creativity / Passion / Stone with strong the elements of Earth and Fire / Grounding / Strength / Protection – protective shield against negative vibrations / Helps us stop toxic thought patterns / Helps us see the truth / Stimulates the intellect / Enhances memory – helps us recall the information we need at any given moment / Intelligence / Mental stability / Logical thinking / Realism / Practicality / Optimism / Reinforces and helps us acquire new knowledge and skills / Sharpens our perceptive abilities / Strong ‘male’ (yang) energy.

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.