Description: A vibrant deep pink semi-translucent polished slice of a Corundum crystal, variety Ruby. Rubies are of interest to jewellers, collectors and in alternative medicine - they are very powerful detoxifiers Photo taken on: April 18th, 2009 Keywords: activity alternative clarity cleavage collectors colourful commercial corundum crystallisation crystals display facet faceting form formation gemmy gems gemstones habit hardness healing health hexagonal hobby inclusions isolated jewellery lapidary locality lustrous matrix medicine metaphysical metaphysics mine minerals mining natural orientation pink polished precious properties rarity refraction resource rocks ruby semiprecious slice specimens spirituality translucent vitreous zoning