- Locality
- Gem Mine, San Benito Co., California, USA
- Minerals
- Neptunite
- Dimensions
- 3.7 x 2.5 x 2.3 cm
- Size class
- Miniature
- SID
- LL558
Lustrous black 2.9cm Neptunite crystal on schist matrix with white Natrolite. The Neptunite crystal is double-terminated and undamaged.