- San Francisco mine
- Sierra Gorda
- Antofagasta Region
- 4.8 by 4.8 by 2.5 cm – Miniature specimen (fits into a 5 cm cube)
Herbertsmithite is a zinc copper chloride hydroxide, related to paratacamite. In the paratacamite crystal structure, there are two different copper positions, and as guest atoms substitute for copper they preferentially occupy a special position in the crystal structure. Nature World News, MIT News Office). Own a piece that will stump the physicists!
Item code: MS0798
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