These pieces are the mineral Crocidolite, a fibrous variety of Riebeckite (a group of silicate minerals). Each piece is light gray, blue, and brown in color, and all is held in a micromount box and measures less than 2 cm x 2 cm x 2 cm in size.
- Catalog Number:
- 46410
- Object/Specimen Description:
- Specimen Count:
- 2
- Precise Locality:
Near San Carlos Peak
- Locality:
- US Pacific (CA, OR, WA)
- Collecting Locality:
- North America, United States, California, San Benito County