Benitoite on Matrix (Fluorescent Specimen) Benitoite Gem Mine San Benito County, California 8.4 cm x 4.2 cm x 4.2 cm   If you are looking for a highly fluorescent Benitoite specimen that won't break the bank, here it is. This would be great in a Shortwave UV display. This specimen was extracted from a vug in a large boulder of greenish blue schist. T… More info

Neptunite with Natrolite Benitoite Gem Mine San Benito County, California 4.68 cm x 3.32 cm x 2.3 cm   Here is an very fine miniature size specimen of Neptunite crystals on Natrolite. This is a wonderfully aesthetic specimen of this mineral. This specimen comes from The Benitoite Gem Mine,  which was originally called the Dallas Mine and now called the Cali… More info

Benitoite Crystals on Matrix Benitoite Gem Mine San Benito County, California 4.6 cm x 3.5 cm x 2.26 cm   Here is a nice specimen from this famous mine. This miniature size specimen of greenish blue schist with snowy white natrolite, has numerous tiny benitoite crystals, almost druzy in nature. There are many tiny well formed benitoite crystals with high lus… More info

 Here is an amazing cabinet size specimen of Neptunite with Joaquinite crystals. This is a wonderfully aesthetic specimen of these two minerals. This specimen comes from The Benitoite Gem Mine, which was originally called the Dallas Mine and now called the California State Gem Mine, in San Benito County. California. It is the only place in the world … More info

Benitoite with Neptunite Benitoite Gem Mine San Benito County, California 2.66 cm x 2.29 cm x 1.34 cm   Here is is a really nice large thumbnail specimen out of an old collection. A single large crystal of benitoite is the main focal point on the specimen. It is surrounded by weathered crystals of neptunite, that show some red flash, along with a few micro cryst… More info

Tabular Benitoite Crystals on Matrix Benitoite Gem Mine San Benito County, California 4.0 cm x 3.1 cm x 2.3 cm   Here is a very nice specimen from this famous mine. This miniature size specimen of greenish blue schist with some snowy white natrolite, hosts a 1 cm, high luster tabular benitoite crystals. It is flat laying on the matrix and is quite transparen… More info

Benitoite & Neptunite Benitoite Gem Mine San Benito County, California 4.3 cm x 3.1 cm x 1.3 cm   Here is a really nice miniature size specimen from this famous mine. The only place in the world that these 2 minerals can be found together. This specimen of benitoite and neptunite, crystal within a matrix of bluish green schist along with some snowy white nat… More info

Benitoite Crystal Cluster, 12.87 cts. San Benito County, California 16.8 mm x 14.6 mm x 9.33   Here is a small but beautiful cluster of inter-grown Benitoite crystals. They have that beautiful blue coloring and are quite gemmy. What it truly amazing about this specimen, it at the base of the crystals where they were formed on the matrix, The benitoite took o… More info

Benitoite & Neptunite San Benito County, California 3.0 cm x 2.0 cm x 1.60 cm   Here is a small but amazing specimen of Benitoite and Neptunite It has a single well formed and gemmy Benitoite crystal, that formed over neptunite crystals. There is a tiny neptunite seen coming out on the back side of the benitoite. Single larger neptunite has good red flas… More info

Natrolite Crystals, Union Carbide Pit (near Benitoite Mine) San Benito County, California 4.0 cm x 2.34 cm x 2.1 cm ex. Jack Nieburger coll. ex. Kristalle   Here is a beautiful cluster of crystals of the Zeolite Group species, Natrolite. An excellent and uncommon, fairly large crystal for the locale. Seldom on the market in this quality. Natrolite from t… More info

Benitoite on Natrolite Benitoite Gem Mine  San Benito County, California 6.4 cm x 4.8 cm x 3.5 cm   Here is a very nice and interesting small cabinet size specimen of benitoite in natrolite, on a greenish / blue schist matrix. There is a single large benitoite crystal on this specimen. The crystal is tabular in nature. The light blue to white crystals measu… More info

Benitoite Benitoite Gem Mine San Benito County, California 2.4 cm x 2.0 cm x 1.7 cm   Here is a really nice large thumbnail size specimen of Benitoite crystals. These crystals formed in a very tight vein, which caused them to become slightly included with the surrounding matrix. It is a wonder that they were able to fully take on the shape of b… More info

Lot of 8, Benitoite Crystals, 20.46 ctw. Benitoite Gem Mine  San Benito County, California   Here is a lot of 8, nicely formed benitoite crystals.  These crystals are very nice, they do not show as well to the camera lens, much better in person. Some are fully formed and a few are partially formed.  Each is a great specimen crystal in it's own… More info

Benitoite Crystal Specimen, 9.98 carats   Here is one very nice large benitoite crystal.  If you know benitoite, then you know larger crystal specimens are rare to come by, since most larger crystals are usually saved for faceting or cabbing. This crystal weighs 9.98 carats and measures approx. 14.9 mm x 11.2 mm x 7.6 mm. The blue in the photos is a bit more blue… More info

Benitoite Benitoite Gem Mine San Benito County, California 4.0 cm x 3.0 cm x 2.0 cm   Here is a great miniature size specimen of Benitoite crystals on matrix. There are 10 benitoite crystals on matrix with snowy white natrolite. Some of the crystals growth were interrupted by matrix, mainly around the edge. A very nic… More info

Benitoite Crystals on Matrix Benitoite Gem Mine San Benito County, California 2.7 cm x 2.4 cm x 1.30 cm   Here is a beautiful cluster of inter-grown Benitoite crystals. They have that beautiful blue coloring and some are quite gemmy. There are many well formed and terminated crystals,  among many that are contacted or did not fully form. A very beau… More info

Benitoite with Neptunite Benitoite Gem Mine San Benito County, California 4.24 cm x 2.7 cm x 1.7 cm   Here is a really dramatic looking specimen from this famous mine. The only place in the world that these 2 minerals can be found together.   The specimen of benitoite and neptunite consists of crystal cluster of both minerals with some matrix. There… More info

Benitoite on Matrix Benitoite Gem Mine San Benito County, California 3.56 cm x 2.35 cm x 2.0 cm   Here is a very nice miniature size specimen of Benitoite from this famous mine.   Beautiful blue crystals of benitoite, sit within a greenish blue schist matrix along with snowy white natrolite. The crystals are mostly well formed, but have had their growth… More info

Benitoite, Neptunite & Joaquinite Benitoite Gem Mine San Benito County, California 3.0 cm x 2.0 cm x 1.60 cm   Here is a really nice multi mineral specimen from the Benitoite Mine. The main focal point of this specimen, is the large benitoite crystals, that measures approx. 1.4 cm. It is fully terminated, but the lower right termination is contacted, … More info

Benitoite Crystals on Matrix Benitoite Gem Mine San Benito County, California 3.6 cm x 3.5 cm x 1.80 cm   Here is a really specimen of Benitoite crystals. These crystals all have very high luster faces, which are the most desirable. They have that beautiful deep blue coloring and are quite gemmy. There are many well formed and terminated crystals. Only t… More info

Lot of 4, Benitoite Crystals, 8.57 ctw. Benitoite Gem Mine  San Benito County, California   Here is a lot of 4, beautiful and nicely formed benitoite crystals.  Starting on the left, is a rather rare large tabular benitoite crystal, 12.0 mm x 5.74 mm. These tabular crystals are generally much smaller. It is colorless with slight blue edges … More info

Tabular Benitoite with Joaquinite. Benitoite Gem Mine San Benito County, California 7.42 cm x 7.0 cm x 4.4 cm   Here is a really unique and uncommon specimen of benitoite from this famous mine. This specimen consists of hundreds of tabular benitoite crystals, from micros up to 1 cm. These beautiful tabular crystals have colorless centers with blue edges. Mos… More info

Benitoite with Neptunite and Joaquinite. Benitoite Gem Mine San Benito County, California 8.80 cm x 5.80 cm x 3.0 cm   Here is a really nice specimen from this famous mine. The only place in the world that these 3 rare minerals can be found together. Here is a beautiful plate of crystals on a bluish green schist matrix with snowy white natrolit… More info

Benitoite Melee Cutting Rough 33 pieces, 21.98 ctw   Here is something you never see me part with, benitoite facet rough.   This is a melee cutting parcel of Benitoite. Most piece will only cut 1.5 to 2.0 mm size stones, but there might be a few 3.0 mm in the lot. Even if your cutting yield is ridiculously low at 10%, you would still have just over 2 carats… More info

Benitoite with Natrolite on Matrix Benitoite Gem Mine San Benito County, California 4.5 cm x 2.7 cm x 1.6 cm     Here is a top quality miniature size specimen from this famous mine. The specimen consists of a few dozens benitoite crystals in differing sizes, from micros up to 9 mm. These crystals all sit on a bluish green schist matrix covered in snowy … More info

Large Benitoite Crystal Cluster Benitoite Gem Mine San Benito County, California 4.1 cm x 3.0 cm x 2.0 cm   Here is a very special specimen of Benitoite crystals.   This is a cluster of partially crossite included Benitoite crystals. What makes this one of special, is the size of the main crystal. It is believed that the inclusions of crossite, allo… More info

Benitoite with Neptunite Benitoite Gem Mine San Benito County, California 5.0 cm x 3.0 cm x 2.3 cm     Here is a wonderful high end multi mineral specimen from this famous mine. This mine is the only place in the world that these mineral can be found together, and the only place in the world that gem and specimen quality benitoite is found.   … More info