- Neptunite, Natrolite
- Small Cabinet, 6.3 x 5.2 x 5.1 cm
- Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California
- Ex. Charles Hansen
A single sharp, terminated crystal of lustrous neptunite against a backdrop of white natrolite, from the locality made famous by these and benitoites, which sometimes appear together. From the well-known California collection of Charles Hansen.