Sample #205
- Catalognumber: 89564
- Species: Tourmaline Group
- Mineralgroup: Tourmaline
- Formula: Gen. formula WX3Y6(BO3)3Si6O18(O,OH,F)4
- Crystalsystem: rhombohedral
- City: Amherst
- County: Hampshire
- Province: Massachusetts
- Country: U.S.A.
- MinDBimages: 0