Marin Mineral Company - Selected Specimens

Selected Specimens

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LL662 - Olivenite $ 300
Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA
miniature - 3.8 x 3 x 1.5 cm

(click on an image to enlarge)
Olivenite from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL662a.jpg]

Olivenite from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL662b.jpg]

Olivenite from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL662c.jpg]

Densely clustered crystals of Olivenite on matrix from the now defunct Majuba Hill Mine. Deep forest green crystals cover much of the matrix. There are some chipped crystals along the edges but the vast majority are perfect. This is an uncommonly rich example for the mine.

LL657 - Chalcophyllite $ 250
Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA
small cabinet - 5.5 x 4 x 2 cm

(click on an image to enlarge)
Chalcophyllite from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL657a.jpg]

Chalcophyllite from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL657b.jpg]

Chalcophyllite from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL657c.jpg]

Blue green crystals of Chalcophyllite on matrix from the now defunct Majuba Hill Mine. Good crystals are present on both the front and back sides of the matrix.

LL678 - Amethyst $ 180
Las Vigas, Vera Cruz, Mexico
small cabinet - 5.9 x 3.5 x 2.5 cm

(click on an image to enlarge)
Amethyst from Las Vigas, Vera Cruz, Mexico [db_pics/pics/LL678a.jpg]

Amethyst from Las Vigas, Vera Cruz, Mexico [db_pics/pics/LL678b.jpg]

Amethyst from Las Vigas, Vera Cruz, Mexico [db_pics/pics/LL678c.jpg]

Amethyst from Las Vigas, Vera Cruz, Mexico [db_pics/pics/LL678d.jpg]

Amethyst from Las Vigas, Vera Cruz, Mexico [db_pics/pics/LL678.mp4]

Pair of glassy, transparent Amethyst crystals. Complete all around and undamaged, simple elegance.

LL675 - Quartz with Glaucophane inclusions $ 120
Mount Tamalpais, Marin Co., California, USA
small cabinet - 8 x 2 x 2 cm

(click on an image to enlarge)
Quartz with Glaucophane inclusions from Mount Tamalpais, Marin Co., California, USA [db_pics/pics/LL675a.jpg]

Quartz with Glaucophane inclusions from Mount Tamalpais, Marin Co., California, USA [db_pics/pics/LL675b.jpg]

Quartz with Glaucophane inclusions from Mount Tamalpais, Marin Co., California, USA [db_pics/pics/LL675d.jpg]

Double-terminated Quartz crystal with inclusions of blue/grey Glaucophane. These oddly shaped crystals were from a one time find about 10 years ago. Ex. Len Pisciotta collection.

LL672 - Clinoclase $ 400
Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA
small cabinet - 7.5 x 5.5 x 4 cm

(click on an image to enlarge)
Clinoclase from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL672a.jpg]

Clinoclase from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL672b.jpg]

Clinoclase from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL672c.jpg]

Deep blue crystals of Clinoclase on matrix from the now defunct Majuba Hill Mine. The area of crystals is 4cm wide. An excellent example for the locality and of the species.

LL709 - Neptunite with Benitoite $ 275
Gem Mine, San Benito Co., California, USA
thumbnail - 2.7 x 2 x 1.5 cm

(click on an image to enlarge)
Neptunite with Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/LL709a.jpg]

Neptunite with Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/LL709b.jpg]

Neptunite with Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/LL709c.jpg]

Neptunite with Benitoite from Gem Mine, San Benito Co., California, USA [db_pics/pics/LL709e.jpg]

Well terminated Neptunite crystal with two attached Benitoite crystals.

LL659 - Clinoclase on Cornubite ~~$ 200~~ DISCOUNTED 50% OFF TO $ 100
Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA
miniature - 4.7 x 3 x 2.5 cm

(click on an image to enlarge)
Clinoclase on Cornubite from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL659a.jpg]

Clinoclase on Cornubite from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL659b.jpg]

Clinoclase on Cornubite from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL659c.jpg]

Deep blue crystals of Clinoclase over green Cornubite from the now defunct Majuba Hill Mine. Both the front and back have great crystals.

LL730 - Gahnite rough and cut $ 350
Kagoro, Kaduna State, Nigeria
thumbnail - 0.6 x 0.6 x 0.6 cm

(click on an image to enlarge)
Gahnite rough and cut from Kagoro, Kaduna State, Nigeria [db_pics/pics/LL730a.jpg]

Gahnite rough and cut from Kagoro, Kaduna State, Nigeria [db_pics/pics/LL730b.jpg]

Gahnite rough and cut from Kagoro, Kaduna State, Nigeria [db_pics/pics/LL730c.jpg]

Rough and cut set of transparent blue Gahnite. Gahnite is the zinc rich end member and one of the rarer species in the Spinel group of minerals. The crystal is a complete octahedron with one tiny chip on one tip, otherwise perfect and translucent to transparent internally. The gemstone is 4.5mm wide. These were first discovered in 2001 and are found mostly of industrial quality. Though they don't get very large, the color is spectacular. The GIA has written a nice article about these crystals published in Gems & Gemology, Fall 2019, Vol. 55, No. 3.

LL811 - Cuprian Adamite $ 900
Mina Ojuela, Mapimi, Durango, Mexico
miniature - 4.5 x 4 x 3.5 cm

(click on an image to enlarge)
Cuprian Adamite from Mina Ojuela, Mapimi, Durango, Mexico [db_pics/pics/LL811a.jpg]

Cuprian Adamite from Mina Ojuela, Mapimi, Durango, Mexico [db_pics/pics/LL811b.jpg]

Cuprian Adamite from Mina Ojuela, Mapimi, Durango, Mexico [db_pics/pics/LL811c.jpg]

Cuprian Adamite from Mina Ojuela, Mapimi, Durango, Mexico [db_pics/pics/LL811e.jpg]

Limonite vug filled with colorless Calcite and green Cuprian Adamite crystals. This is a particularly fine example sporting large, undamaged crystals of great beauty. The crystal group at the front left is 2cm in size, with an individual crystal 1.2cm in size. The vug itself is lined with black Plattnerite which provides a stunning backdrop to the green and white crystals.

LL20 - Benitoite with Neptunite $ 5500
Gem Mine, San Benito Co., California, USA
small cabinet - 5.5 x 4.5 x 2 cm

(click on an image to enlarge)
Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/LL20a.jpg]

Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/LL20b.jpg]

Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/LL20c.jpg]

Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/LL20d.jpg]

Benitoite with Neptunite from Gem Mine, San Benito Co., California, USA [db_pics/pics/LL20e.jpg]

Classic combination of Benitoite with black Neptunite featuring 2 large Benitoite crystals and a number of smaller crystals. The front crystal is 2.2cm while the one just behind it is also large at 2cm. Importantly, the crystals are sharply formed with good blue color and transparency at the tips. Undamaged.

LL828 - Smokey Quartz (R) $ 2000
Hallelujah Junction area, Washoe Co., Nevada, USA
cabinet - 13.5 x 8.5 x 5.5 cm

(click on an image to enlarge)
Smokey Quartz (R) from Hallelujah Junction area, Washoe Co., Nevada, USA [db_pics/pics/LL828a.jpg]

Smokey Quartz (R) from Hallelujah Junction area, Washoe Co., Nevada, USA [db_pics/pics/LL828b.jpg]

Smokey Quartz (R) from Hallelujah Junction area, Washoe Co., Nevada, USA [db_pics/pics/LL828c.jpg]

Smokey Quartz (R) from Hallelujah Junction area, Washoe Co., Nevada, USA [db_pics/pics/LL828d.jpg]

Smokey Quartz (R) from Hallelujah Junction area, Washoe Co., Nevada, USA [db_pics/pics/LL828i.jpg]

Tall Smokey Quartz scepter on matrix. These are found in sand filled cavities in Granite, usually only as single crystals and less commonly as matrix specimens. It displays a wonderful contrast between the light scepter head and the darker, gem quality stalk. It has one repair at the base of the stalk where it attaches to the matrix. The good luster of the scepter head and the complete transparency of the main crystal make this an exceptional specimen for the locality.

LL813 - Woodhouseite $ 1200
Champion Mine, White Mountains, Mono Co., California, USA
small cabinet - 6.2 x 4.5 x 3 cm

(click on an image to enlarge)
Woodhouseite from Champion Mine, White Mountains, Mono Co., California, USA [db_pics/pics/LL813a.jpg]

Woodhouseite from Champion Mine, White Mountains, Mono Co., California, USA [db_pics/pics/LL813b.jpg]

Woodhouseite from Champion Mine, White Mountains, Mono Co., California, USA [db_pics/pics/LL813c.jpg]

Woodhouseite from Champion Mine, White Mountains, Mono Co., California, USA [db_pics/pics/LL813d.jpg]

Woodhouseite from Champion Mine, White Mountains, Mono Co., California, USA [db_pics/pics/LL813e.jpg]

Specimen of rare Woodhouseite crystals on a Quartz matrix from the now closed Champion Mine. This specimen features large crystals for the species with the largest a perfect 9mm crystal and additional larger crystals of 8mm and 6mm along with smaller crystals over a quartz crystal lined vug. Ex. Marion Godshaw collection with label.

LL801 - Wulfenite $ 2500
Red Cloud Mine, La Paz Co., Arizona, USA
small cabinet - 5.7 x 4 x 3 cm

(click on an image to enlarge)
Wulfenite from Red Cloud Mine, La Paz Co., Arizona, USA [db_pics/pics/LL801a.jpg]

Wulfenite from Red Cloud Mine, La Paz Co., Arizona, USA [db_pics/pics/LL801c.jpg]

Wulfenite from Red Cloud Mine, La Paz Co., Arizona, USA [db_pics/pics/LL801d.jpg]

Wulfenite from Red Cloud Mine, La Paz Co., Arizona, USA [db_pics/pics/LL801b.jpg]

Cluster of large, orange/red crystals of Wulfenite on a small amount of matrix. The largest crystal is 3.7cm (an inch and half!) and has some contacting with matrix along the edges. A large, perfect 2.4cm crystal is attached on the right side, along with numerous crystals in the middle. Excellent color and luster. Collected by Jim Clanin in 1984.

LL802 - Malachite $ 900
Morenci, Greenlee Co., Arizona, USA
miniature - 4.5 x 3.5 x 3.5 cm

(click on an image to enlarge)
Malachite from Morenci, Greenlee Co., Arizona, USA [db_pics/pics/LL802a.jpg]

Malachite from Morenci, Greenlee Co., Arizona, USA [db_pics/pics/LL802b.jpg]

Malachite from Morenci, Greenlee Co., Arizona, USA [db_pics/pics/LL802c.jpg]

Malachite from Morenci, Greenlee Co., Arizona, USA [db_pics/pics/LL802d.jpg]

Malachite from Morenci, Greenlee Co., Arizona, USA [db_pics/pics/LL802e.jpg]

Hemispherical masses of Malachite to 1.4cm wide from the Morenci Mine. These Malachites are typical for the mine, this specimen with particularly good aesthetics and undamaged.

LL803 - Pyromorphite $ 1200
Mexico Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
miniature - 4.5 x 4 x 3 cm

(click on an image to enlarge)
Pyromorphite from Mexico Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK [db_pics/pics/LL803a.jpg]

Pyromorphite from Mexico Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK [db_pics/pics/LL803b.jpg]

Pyromorphite from Mexico Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK [db_pics/pics/LL803c.jpg]

Pyromorphite from Mexico Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK [db_pics/pics/LL803d.jpg]

Pyromorphite from Mexico Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK [db_pics/pics/LL803e.jpg]

Specimen composed of densely grouped crystals of yellow/green Pyromorphite (nothing but crystals without matrix). Good colored, large Pyromorphites are rare from England. Some information on the locality from MINDAT: 'This property is adjacent to the Roughton Gill mine and exploits the eastward extension of the Roughton Gill (South) vein. It was begun in 1845, and three crosscuts were driven south to cut the vein. Although promising shoots of pyromorphite and cerussite were found early on, the mine proved to be a financial disaster. In the mid-1970's the Cornish mineral dealer Richard Barstow opened a vein exposure near the High Level of the Mexico mine and made a find of excellent pyromorphite of "old time" quality. The locality was subsequently worked by other collectors and further good material was discovered. The site is now backfilled.'

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