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Benitoite! May 17, 2025 · 12 specimens New Benitoite and Neptunite specimens from the Benitoite Gem Mine in California. These are all new specimens only recently etched from pieces mined years ago and offered here for the first time. This locality produced the world's best Benitoite and Neptunite and is the Type locality for Benitoite. This locality is long closed and specimens get harder to find every year. |
R166 - Benitoite, Neptunite, Joaquinite $350 available
Gem Mine, San Benito Co., California, USA
Small Cabinet - 6 x 4.5 x 2 cm
Benitoite, Neptunite, and Joaquinite crystals on schist matrix partially coated by white Natrolite. Good combination specimen of the 3 major species found at this now defunct mine.
R167 - Benitoite sold
Gem Mine, San Benito Co., California, USA
Small Cabinet - 5.5 x 4.0 x 1 cm
Deep blue Benitoite crystals on schist matrix partially coated by white Natrolite. The Benitoite have great color and reach 9mm on edge. There is also one Joaquinite crystal present.
R168 - Neptunite sold
Gem Mine, San Benito Co., California, USA
Miniature - 4.5 x 3.2 x 2 cm
Four crystals of lustrous Neptunite on a schist matrix partially coated by white Natrolite. These are beautiful undamaged crystals in an attractive formation.
R169 - Benitoite, Neptunite, Joaquinite sold
Gem Mine, San Benito Co., California, USA
Small Cabinet - 7 x 4.0 x 2 cm
Benitoite, Neptunite, and Joaquinite crystals on schist matrix partially coated by white Natrolite. Good combination specimen of the 3 major species found at this now defunct mine. The main Benitoite has pointed tips and is 1.3cm on edge.
R170 - Neptunite (DT) $275 available
Gem Mine, San Benito Co., California, USA
Miniature - 3.2 x 2.8 x 1.8 cm
A 3cm single Neptunite crystal on schist matrix coated by white Natrolite. The crystal is doubly-terminated, highly lustrous and of hgh quality with a tiny chip on the tip of one termination. Elegant stunner of a Neptunite!
R171 - Benitoite, Neptunite, Joaquinite sold
Gem Mine, San Benito Co., California, USA
Small Cabinet - 5.5 x 3 x 1.5 cm
Benitoite, Neptunite, and Joaquinite crystals on schist matrix partially coated by white Natrolite. Good combination specimen of the 3 major species found at this now defunct mine. The Benitoite crystal is 1.2cm in size.
R175 - Benitoite sold
Gem Mine, San Benito Co., California, USA
Small Cabinet - 7 x 5 x 2.5 cm
Glassy blue Benitoite crystals on schist matrix partially coated by white Natrolite. The Benitoite are the tabular, super glassy style and reach 1cm in size. Though the edges are irregular, under a loupe you can see they are naturally etched and not damaged.
R176 - Benitoite, Neptunite sold
Gem Mine, San Benito Co., California, USA
Cabinet - 13.5 x 9 x 3 cm
Large, flat specimen of Benitoite and Neptunite crystals on schist matrix partially coated by white Natrolite. There are dozens Neptunite crystals all over and 7 Benitoite crystals that are well distributed among the Neptunite. The Benitoite crystals reach 1.5cm in size.
R177 - Benitoite, Neptunite $500 available
Gem Mine, San Benito Co., California, USA
Cabinet - 10.5 x 6 x 3 cm
Large, flat specimen of Benitoite and Neptunite crystals on schist matrix partially coated by white Natrolite. There are Neptunite crystals all over and single blue Benitoite crystal. The Benitoite crystal is 1.1cm in size.
R178 - Neptunite (twin) sold
Gem Mine, San Benito Co., California, USA
Miniature - 5 x 3 x 2 cm
Uncommon twinned Neptunite crystal on schist matrix partially coated by white Natrolite. The Neptunite is 2cm in size.
R179 - Benitoite sold
Gem Mine, San Benito Co., California, USA
Miniature - 4.5 x 3 x 1.5 cm
Deep blue Benitoite crystals to 1cm on schist matrix partially coated by white Natrolite.
R180 - Neptunite sold
Gem Mine, San Benito Co., California, USA
Miniature - 5 x 3.5 x 2 cm
Rich specimen loaded with lustrous Neptunite crystals on a schist matrix partially coated by white Natrolite.