4.5" Blue Smoke Colombian Lemurian TW520 astrophyllite while the barite itself can

while the barite itself can show white-yellow or orange-yellow fluorescence

Beautifully formed sphalerite crystals protrude from the top of the specimen

Weight: 47 grams

The siderite gives a wonderful contrast to the quartz with its muted grey and brown color

4.5" Blue Smoke Colombian Lemurian TW520 astrophyllite while the barite itself can4. 5" Blue Smoke Colombian Lemurian Approx. Dimensions: 4. 5x0. 75x0. 75 inches Approx. Weight: 47. 4 grams Locality: Santander, Colombia These Blue Smoke Lemurians are from a single pocket of material mined in Santander, Colombia. It has been theorized around the internet that the blue "smoke" is the inclusion of the lithium mineral Cookeite, which was thought to form fibrous structures within the quartz. We sent a sample of these crystals to a lab