AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from California > Benitoite, Neptunite and Natrolite

Benitoite, Neptunite and Natrolite from Benitoite Gem Mine, New Idria District, San Benito County, California (Type Locality for Benitoite)

Photo below under shortwave ultraviolet illumination:

DESCRIPTION:	No. 36962
Mineral:	Benitoite, Neptunite and Natrolite
Locality:	Benitoite Gem Mine, New Idria District, San Benito County, California (Type Locality for Benitoite)
Description:	Exceptionally large crystal of translucent blue benitoite 32 mm on edge protruding from white natrolite on matrix with smaller benitoite and red-black neptunite crystals to 15 mm. The benitoite crystals fluoresce bright blue-white under UV illumination.
Overall Size:	6x4x2.5 cm
Crystals:	1-32 mm
Archived:	For reference only

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