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This article is about a type of rock found in British Columbia. For the definition of someone from Dallas, Texas, see Dallas, Texas.

Dallasite is a breccia made of quartz, epidote, altered basalt and pumpellyite.[1] The stone dallasite is named after Dallas Road, Victoria, British Columbia. It is considered the unofficial stone of British Columbia’s capital city.[2] Dallasite is found in Triassic volcanic rocks of Vancouver Island and is considered the third most important gem material in British Columbia.[3]


  1. ^ Pearsons Howard L., BC Gem Trails 3rd addition with maps. 
  2. ^ Hudson Rick (1999), A Field Guide to Gold, Gemstone and Mineral Sites of British Columbia. Volume 2. Orca Book Publishers. 
  3. ^ VanLandingham, Sam L. (1985), Geology of world gem deposits