4" Colombian Lemurian Crystal Cluster TW205 septarian cube Such specimens commonly form in

Such specimens commonly form in alpine-type fissures and hydrothermal environments where chlorite and quartz crystallize together under shifting conditions

but sometimes appears in a yellow-gray or gray color

Developed in the early 20th century and active for much of the mid-1900s

Potosi Department

or iron pyrite

4" Colombian Lemurian Crystal Cluster TW205 septarian cube Such specimens commonly form in4" Colombian Lemurian Crystal Cluster Approx. Dimensions: 4x3. 5x1. 75 inches Approx. Weight: 154. 6 grams Locality: Santander, Colombia All of our Colombian quartz is completely natural and has had no polishing done. Colombian optical quartz crystals are also referred to as Colombian Lemurians. It has been theorized that this particular variety of quartz gets its unique luster and optical clarity from the addition of Aluminum in its chemical