This is my collection of aAventurine Pendants.

Blue Aventurine is medium to dark blue, many times with inclusions of Pyrite and/or Mica.
Location: Brazil, China, India, Italy, Russia, South Africa.
Green Aventurine is Oxide, quartz, containing mica that can sometimes give aventurine a metallic iridescent glint.
Green aventurine is sometimes called Indian jade, or the stone of heaven.
You can find these on my website: