exclusiveminerals2:
Neptunite crystals on microcrystalline white natrolite matrix, California State Gem Mine (Dallas Gem Mine; Benitoite Mine; Benitoite Gem Mine; Gem Mine), Santa Rita Peak, New Idria Mining District, San Benito County, California, United States; 9.5 cm tall
exclusiveminerals2:
Neptunite crystal (double terminated), Benitoite Gem Mine, San Benito River, San Benito County, California, United States; Ex A.L. McGuinness Collection; 5.5 cm long
exclusiveminerals2:
Neptunite (black crystals) with benitoite (blue crystals) and joaquinite (tiny brownish orange crystals) with natrolite, California State Gem Mine, Santa Rita Peak, San Benito County, California, United States; 20 cm across