California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California USA
Specimen size: 1.7 × 1.1 × 0.8 cm = 0.67” × 0.43” × 0.31” Main crystal size: 0.8 × 0.7 cm = 0.31” × 0.28”