Aventurine comes in a myriad of colors from greens to reds to purples. It is formed when Quartz is naturally subjected to heat and pressure causing it to melt and re-solidify as large slabs. Aventurine shimmers with sparkling Mica, Hematite and/or Pyrite inclusions. Aventurine is the crystal of abundance, calling in any type of abundance you may be seeking whether it be health, wealth or friends.