Carbon Included Enhydro from Tibet TF1971 optical calcite It is a form of

It is a form of common opal and only found in a few locations in the world outside of Peru

The minerals form distinct layers due to variations in conditions

visible in the video

Weight: 548 grams

Carbon Included Enhydro from Tibet TF1971 optical calcite It is a form ofCarbon Included Enhydro from Tibet Approx. Dimensions: 2. 25x1. 25x1. 25 inches Approx. Weight: 59. 8 grams Locality: Tibet This is a completely natural double terminated crystal from Tibet (no polishing has been done). Carbon is included in this quartz piece in several places, but most notably in a pocket with a fluid inclusion. This causes the carbon particles to cascade up and down the cavity. The cavity is circled with black Sharpie, which can be