Labradorite Tumbled

Interesting bits about Labradorite ...    Labradorite is a member of the Feldspar family. The Feldspar group of Minerals is a large group within the Silicate Minerals family, the largest group of Minerals in the world.. The chemical makeup of these Gems that categorises them as Feldspar.  First discovered in the late 1700's..It is a calcium-enriched feldspar mineral first identified in Labrador, Canada, which can display an iridescent effect (*schiller).  There are many layers to Labradorite..The colour of the flash or Labradorescence is determined by the thickness of the layers in which Labradorite can present a range of colours, including the following: GoldBluePurpleOrangeGreen The colors in Labradorite are not actually present in stone, rather they are the result of light play within the stone. Labradorite is a feldspar with a crystalline structure that forms very thin compacted layers. When light hits the surface of the stone, it travels down through the layers, which reflect, ref