Benitoite Neptunite

US$    € EURO    ¥ YEN    £ POUND    CAN$    AUS$    Note

(click on a page number to go to that page:)

1 2

 page 1 / 2  -  next  -  bottom  -  Home 

NA260 - Neptunite $ 260
 Gem Mine, San Benito County, California
thumbnail -


(click on an image to enlarge)

Neptunite from Gem Mine, San Benito County, California [db_pics/pics/NA260a.jpg] Neptunite from Gem Mine, San Benito County, California [db_pics/pics/NA260c.jpg] Neptunite from Gem Mine, San Benito County, California [db_pics/pics/NA260d.jpg] Neptunite from Gem Mine, San Benito County, California [db_pics/pics/NA260e.jpg]

Fine Neptunite crystals on Natrolite, main crystal is a relatively large 2.8 cm double terminated crystal

US112 - Benitoite with Neptunite $ 1800
 Gem Mine, San Benito Co., California
thumbnail - 3 x 2.5 x 2 cm


(click on an image to enlarge)

Benitoite with Neptunite from Gem Mine, San Benito Co., California [db_pics/pics/us112a.jpg] Benitoite with Neptunite from Gem Mine, San Benito Co., California [db_pics/pics/us112b.jpg] Benitoite with Neptunite from Gem Mine, San Benito Co., California [db_pics/pics/us112c.jpg] Benitoite with Neptunite from Gem Mine, San Benito Co., California [db_pics/pics/us112d.jpg]

Single Neptunite rising up between three Benitoites. The right Benitoite is very transparent. Undamaged. Very hard to find in this quality and aesthetic arrangement. .

T161 - Benitoite $ 425
 Gem Mine, San Benito Co., California, USA
small cabinet - 7.5 x 5 x 2 cm


(click on an image to enlarge)

Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/t161a.jpg] Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/t161b.jpg] Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/t161c.jpg]

Gemmy bright blue Benitoite crystals to 1.3cm. Central crystal has good sized gem zone/facet rough. This one has the qualities you want in Benitoite - good color, luster, sharp edges, and transparency.

AR37 - Benitoite $ 120
 Benitoite Gem Mine, San Benito County, California
miniature - 3.8 x 2.2 x 1.1 cm


(click on an image to enlarge)

Benitoite from Benitoite Gem Mine, San Benito County, California [db_pics/pics/AR37a.jpg] Benitoite from Benitoite Gem Mine, San Benito County, California [db_pics/pics/AR37b.jpg] Benitoite from Benitoite Gem Mine, San Benito County, California [db_pics/pics/AR37c.jpg] Benitoite from Benitoite Gem Mine, San Benito County, California [db_pics/pics/AR37d.jpg]

Benitoite crystals were occasionally found as 'floaters' that had weathered out of the host crossite amphibole rock matrix. This is an example of a single large crystal with blue-gray color and a rough surface caused by the amphibole inclusions. Even though it's not dark blue in color, it does have the same 'cornflower blue' fluorescent color when seen under shortwave UV lighting.

J477 - Benitoite with Natrolite on matrix $ 400
 Benitoite Gem Mine, San Benito County, California
small cabinet - 6.0 x 4.0 x 1.9 cm


(click on an image to enlarge)

Benitoite with Natrolite on matrix from Benitoite Gem Mine, San Benito County, California [db_pics/pics/J477a.jpg] Benitoite with Natrolite on matrix from Benitoite Gem Mine, San Benito County, California [db_pics/pics/J477b.jpg] Benitoite with Natrolite on matrix from Benitoite Gem Mine, San Benito County, California [db_pics/pics/J477c.jpg]

Over a dozen cornflower blue color Benitoite crystals are seen on a white Natrolite covered matrix. This is a classic, ultra-rare example of Benitoite with fully terminated crystals and no damage. A small black remnant crystal of Neptunite sits on one side. The Benitoite crystals are highly fluorescent under SW Ultraviolet light.

MM127 - Neptunite $ 600
 Gem Mine, San Benito Co., California, USA
small cabinet - 7.5 x 5.5 x 4 cm


(click on an image to enlarge)

Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/mm127a.jpg] Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/mm127b.jpg] Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/mm127c.jpg]

Lustrous, jet black crystals of Neptunite in white Natrolite in a vug in schist matrix. Good distribution of isolated crystals.

TR105 - Benitoite $ 4500
 Gem Mine, San Benito Co., California, USA
miniature - 4 x 3 x 2.5 cm


(click on an image to enlarge)

Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/tr105a.jpg] Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/tr105b.jpg] Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/tr105c.jpg]

Two deep blue Benitoite crystals on white Natrolite over a schist matrix. Stunning example with a large 2.8cm crystal and a smaller 1cm crystal in front. Undamaged and hard to find specimen.

M659 - Benitoite $ 1500
 Gem Mine, San Benito Co., California, USA
miniature - 4.5 x 4.5 x 1.8 cm


(click on an image to enlarge)

Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/M659a.jpg] Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/M659b.jpg] Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/M659c.jpg]

Deep blue Benitoite crystals to 1.8cm in size. Some have gem rough/transparent zones in their tips.

D233 - Benitoite $ 220
 Gem Mine, San Benito Co., USA
miniature - 5 x 2.5 x 2.5 cm


(click on an image to enlarge)

Benitoite from Gem Mine, San Benito Co., USA [db_pics/pics/D233a.jpg] Benitoite from Gem Mine, San Benito Co., USA [db_pics/pics/D233c.jpg] Benitoite from Gem Mine, San Benito Co., USA [db_pics/pics/D233d.jpg] Benitoite from Gem Mine, San Benito Co., USA [db_pics/pics/D233f.jpg]

Benitoite crystals to 1cm on a schist matrix with white Natrolite. Besides the 1cm crystal, there is an 8mm crystal and 5 more or so smaller crystals.

D257 - Benitoite, Neptunite $ 250
 Gem Mine, San Benito Co., USA
cabinet - 12.5 x 8.5 x 3.5 cm


(click on an image to enlarge)

Benitoite, Neptunite from Gem Mine, San Benito Co., USA [db_pics/pics/D257a.jpg] Benitoite, Neptunite from Gem Mine, San Benito Co., USA [db_pics/pics/D257b.jpg] Benitoite, Neptunite from Gem Mine, San Benito Co., USA [db_pics/pics/D257c.jpg] Benitoite, Neptunite from Gem Mine, San Benito Co., USA [db_pics/pics/D257d.jpg]

Large display specimen of 3 species from this famous and now closed locality - Benitoite, Neptunite, and Joaquinite. The main Benitoite crystal is deep blue and 1.2cm in size, with other smaller Benitoites scattered across the surface. The longest Neptunite is 2cm.

D276 - Neptunite $ 100
 Benitoite Gem Mine, San Benito Co., California, USA
small cabinet - 5.5 x 4 x 3 cm


(click on an image to enlarge)

Neptunite from Benitoite Gem Mine, San Benito Co., California, USA [db_pics/pics/D276a.jpg] Neptunite from Benitoite Gem Mine, San Benito Co., California, USA [db_pics/pics/D276b.jpg] Neptunite from Benitoite Gem Mine, San Benito Co., California, USA [db_pics/pics/D276c.jpg] Neptunite from Benitoite Gem Mine, San Benito Co., California, USA [db_pics/pics/D276d.jpg] Neptunite from Benitoite Gem Mine, San Benito Co., California, USA [db_pics/pics/D276e.jpg]

Two Neptunite crystals to 15mm on a schist matrix. Both crystals are perfect, and the smaller crystal is doubly terminated.

CT252 - Benitoite with Neptunite $ 600
 Gem Mine, San Benito Co., California, USA
small cabinet - 8 x 3.5 x 2.8 cm


(click on an image to enlarge)

Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT252a.jpg] Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT252b.jpg] Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT252c.jpg] Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT252d.jpg]

Blue Benitoite crystals and black Neptunite crystals on white Natrolite over schist. Largest Benitoite is 1.7cm and sits up nicely for display. There is another crystal on the left at 1.5cm and a couple more smaller Benitoite. Main crystal is medium blue and gemmy at the tips, and undamaged. Recently etched, never before offered for sale.

CT254 - Benitoite with Neptunite $ 1500
 Gem Mine, San Benito Co., California, USA
miniature - 5 x 4 x 2.7 cm


(click on an image to enlarge)

Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT254a.jpg] Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT254c.jpg] Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT254h.jpg] Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT254l.jpg]

Large blue Benitoite crystals and black Neptunite crystals on white Natrolite over schist. Largest Benitoite is 2.3cm and there is another large, thicker crystal 2cm in size. Main crystal has cavernous growth in the center but is undamaged. Even though some of the Neptunites show contacting from growth into the opposing pocket wall, there are some really nice crystals present, including a neat cluster and a perfect, 2cm double-terminated crystal. Large Benitoite crystals!! Recently etched, never before offered for sale.

CT255 - Neptunite $ 130
 Gem Mine, San Benito Co., California, USA
small cabinet - 7.8 x 5 x 2.8 cm


(click on an image to enlarge)

Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT255a.jpg] Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT255b.jpg] Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT255d.jpg]

Numerous black Neptunite crystals on white Natrolite over schist. Largest Neptunite is 2.7cm and well terminated. Comes with an old Al McGuinness label and an old Chuck Trantham label showing a then price of $150.

CT256 - Benitoite with Joaquinite, Neptunite $ 220
 Gem Mine, San Benito Co., California, USA
small cabinet - 6 x 3.3 x 2 cm


(click on an image to enlarge)

Benitoite with Joaquinite, Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT256a.jpg] Benitoite with Joaquinite, Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT256b.jpg] Benitoite with Joaquinite, Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/CT256c.jpg]

Highly etched but glassy, tabular Benitoite crystals to 1cm with black Neptunite crystals, small brown Joaquinite crystals on white Natrolite over schist. Classic combination specimen for the locality. Comes with old Chuck Trantham and California Mineral Connection labels.
(click on a page number to go to that page:)

1 2

 page 1 / 2  -  next  -  top  -  Home 

©2010-2018 Marin Mineral