Crystals for General Protection. Top Recommended Crystals: Black Tourmaline, Turquoise, Jet, or Black Obsidian. Additional Crystal Recommendations: Carnelian, Red Jasper, Malachite, SardOnyx, Labradorite, Lapis Lazuli, Pyrite, Amber, Chiastolite, Smoky Quartz, Tiger's Eye. Carry, wear, or place in your environment your favorite protection crystal(s). You can also grid your home or a specific room by placing 1 crystal in each of the 4 corners.