Neptunite - Mineral specimens search results

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Mineral specimens search results for [ Neptunite ]

EB91I2: Doubly terminated Neptunite on Natrolite

Just a classic. The crystals, prismatic, have excellent luster and they are free of damage. They are doubly terminated and very well positioned on the Natrolite matrix.
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: 7.3 × 6.3 × 3.1 cm = 2.87” × 2.48” × 1.22”
Price: [SOLD]

TM47AL4: Neptunite

Neptunite crystals with sharp terminations and on a rock matrix covered by white Natrolite. Prismatic crystals, shiny and free of damage, stand out for their aerial position on the matrix. A classic.
We will deliver the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
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: 3 × 2.8 × 1.6 cm = 1.18” × 1.10” × 0.63”

Main crystal size: 1.5 × 0.4 cm = 0.59” × 0.16”
Price: [SOLD]

NV56AH4: Neptunite and Natrolite

Neptunite crystals with very well defined terminations, very bright and on a rock matrix coated by white Natrolite. We’ll send to the buyer the original label and also a copy of the computer card with the full text in the collection catalog.
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: 4.8 × 3.3 × 1.8 cm = 1.89” × 1.30” × 0.71”
Price: [SOLD]

NB26AI3: Neptunite on Natrolite

Group of isolated and very bright Neptunite crystals with very well defined faces and edges. One of them, clearly dominant, is doubly terminated and is on a perfectly vertical position on its Natrolite matrix. An American classic of great quality.
The sample is from the Ignacio Hernández collection (num. 56) whose original label we’ll send to the buyer.
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: 6.1 × 2.8 × 2.9 cm = 2.40” × 1.10” × 1.14”

Main crystal size: 3.2 × 0.9 cm = 1.26” × 0.35”
Price: [SOLD]

AY87N2: Neptunite with Benitoite and Natrolite

Very bright and sharp Neptunite crystals, some of them doubly terminated, of very well defined faces and edges. On matrix with white Natrolite, with a small crystal of Benitoite.
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: 6.4 × 3.6 × 2.1 cm = 2.52” × 1.42” × 0.83”
Price: [SOLD]

TB79H1: Neptunite with Benitoite and Natrolite

A magnificent combination of the two uncommon species. Both the prismatic crystals of Neptunite and the flat crystals of Benitoite have very sharp well-defined faces and edges, with excellent terminal faces completely free of damage. Color and luster of both minerals are also excellent.
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: 4.2 × 3.1 × 1 cm = 1.65” × 1.22” × 0.39”

Main crystal size: 1.8 × 0.6 cm = 0.71” × 0.24”
Price: [SOLD]

EG50J0: Neptunite with Benitoite on Natrolite

Magnificent specimen with the main crystal prismatic and doubly terminated. The crystals on the sample have excellent luster enhanced by the white matrix of Natrolite. Spread on the matrix there are some small, perfectly sharp, crystals of Benitoite.
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: 7 × 5.5 × 2.5 cm = 2.76” × 2.17” × 0.98”
Price: [SOLD]

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