Ammonite With Pyrite
Ammonite is a stone of protection. It provides for insight and it helps to assist one in seeing the ‘whole picture.’ Gives stability to it's user. Since it is associated with the Root Chakra, it encourages ones survival instincts and is grounding.
Folk Remedies: Believed to ease birthing pains and bring relaxation. It helps to remind us to keep breathing, due to its circular design.
Feng Shui: Ammonite is believed by Feng Shui masters to be associated to the scales of the mythical creature "Chi Lin" Therefore, it is said to be a powerful wealth stone and brings prosperity, grandeur and illustrious sons, similar to the potency of the Chi Lin. 
Iron Pyrite or Fool's Gold: (with iron) One of the most grounding stones in use today. Conducting, Energizing, Increases Wealth. Used for focus, practicality, logic, memory, clearing fuzzy thinking/scatteredness etc. like Hematite. Helps Yellow Chakra: Stomach, intestines, ulcers; sulfur and mineral assimilation, circulation, body acidity imbalances, depression, illusions/lack of clarity about situations/people. Great for grounding spiciness after meditation/psychic readings. Represents Sun's golden energy. A mineralized crystal that forms in clusters of metallic like cubes. Color varies from a bright gold or brass to shades of copper or green. Found in most of North America as well as in Chile and Peru. "Fool's Gold". Beneficial to the respiratory and circulatory systems. Connected to the transfer of oxygen from the lungs to the bloodstream. Helps the skin protect itself from the elements, and also aids the digestive tract, lessening irritation by ingested toxins. The most important gift of Pyrite, though, is its ability to aid mental capacity. Helps to balance creative and intuitive impulses with scientific and practical ones. communication skills can also improve with the help of Pyrite, which eases anxiety and frustration. Strongly suggested for people who tackle large conceptual ideas in business, the arts, or education. Effective in attracting money to its owner. The stimulation of the mind can be enhanced by using Pyrite in conjunction with Fluorite and Calcite.