Neptunite, Joaquinite, Aegerine
at-auction$ 50
- Locality
- Gem Mine, San Benito Co., California, USA
- Minerals
- Neptunite
- Dimensions
- 8 x 5.5 x 2.5 cm
- Size class
- Small Cabinet
- SID
- R652
Schist matrix covered by white Natrolite with prismatic black Neptunite crystals and spray clusters of Aegerine. Small brown crystals of the rare mineral Joaquinite are present on the schist. This is a newly prepared from material that was mined years ago. Neptunite from this mine is considered the world's best.