Marin Mineral Company - Selected Specimens

Selected Specimens

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LL623 - Brochantite $ 600
Milpillas Mine, cuitaca, Sonora, Mexico
miniature - 4.6 x 3.3 x 2.3 cm

(click on an image to enlarge)
Brochantite from Milpillas Mine, cuitaca, Sonora, Mexico [db_pics/pics/LL623a.jpg]

Brochantite from Milpillas Mine, cuitaca, Sonora, Mexico [db_pics/pics/LL623b.jpg]

Brochantite from Milpillas Mine, cuitaca, Sonora, Mexico [db_pics/pics/LL623c.jpg]

Brochantite from Milpillas Mine, cuitaca, Sonora, Mexico [db_pics/pics/LL623f.jpg]

Jackstraw cluster of large Brochantite crystals. Main crystal is a large 4.6cm in length. The crystals have a bright, electric green coloration. This mine is now closed and no more will be coming out.

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.

LL679 - Smithsonite $ 150
Choix, Sinaloa, Mexico
miniature - 5 x 4.5 x 3 cm

(click on an image to enlarge)
Smithsonite from Choix, Sinaloa, Mexico [db_pics/pics/LL679a.jpg]

Smithsonite from Choix, Sinaloa, Mexico [db_pics/pics/LL679b.jpg]

Smithsonite from Choix, Sinaloa, Mexico [db_pics/pics/LL679c.jpg]

Satiny, botryoidal Smithsonite from Choix. Undamaged with a well saturated purple/pink coloration. Ex. Len Pisciotta collection.

LL635 - Adularia $ 150
Sella, St. Gotthard, Switzerland
small cabinet - 6.8 x 4.8 x 3 cm

(click on an image to enlarge)
Adularia from Sella, St. Gotthard, Switzerland [db_pics/pics/LL635a.jpg]

Adularia from Sella, St. Gotthard, Switzerland [db_pics/pics/LL635b.jpg]

Adularia from Sella, St. Gotthard, Switzerland [db_pics/pics/LL635c.jpg]

Adularia from Sella, St. Gotthard, Switzerland [db_pics/pics/LL635d.jpg]

Translucent to transparent 2.5cm Adularia crystal on matrix. High quality, lustrous crystal out of the Chuck Trantham collection and comes with a very old label.

LL270 - Pyrite $ 60
Live Oak Pit, Inspiration Mine, Miami, Gila Co., Arizona, USA
thumbnail - 3 x 2.5 x 2 cm

(click on an image to enlarge)
Pyrite from Live Oak Pit, Inspiration Mine, Miami, Gila Co., Arizona, USA [db_pics/pics/LL270a.jpg]

Pyrite from Live Oak Pit, Inspiration Mine, Miami, Gila Co., Arizona, USA [db_pics/pics/LL270b.jpg]

Pyrite from Live Oak Pit, Inspiration Mine, Miami, Gila Co., Arizona, USA [db_pics/pics/LL270c.jpg]

Pyrite from Live Oak Pit, Inspiration Mine, Miami, Gila Co., Arizona, USA [db_pics/pics/LL270d.jpg]

Single octahedral Pyrite crystal from teh famous Inspiration Mine in Arizona. Ex. Chuck Trantham collection acquired by Chuck at the Tucson show in 2001.

LL729 - Gahnite rough and cut $ 280
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/LL729a.jpg]

Gahnite rough and cut from Kagoro, Kaduna State, Nigeria [db_pics/pics/LL729b.jpg]

Gahnite rough and cut from Kagoro, Kaduna State, Nigeria [db_pics/pics/LL729c.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 a round 3mm 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.

LL717 - Diaspore $ 350
Pinarcik, Mugla Prov., Turkey
thumbnail - 1 x 1 x 0.4 cm

(click on an image to enlarge)
Diaspore from Pinarcik, Mugla Prov., Turkey [db_pics/pics/LL717a.jpg]

Diaspore from Pinarcik, Mugla Prov., Turkey [db_pics/pics/LL717b.jpg]

Diaspore from Pinarcik, Mugla Prov., Turkey [db_pics/pics/LL717c.jpg]

V-twin crystal of color change Diaspore. From new finds in the mountains near Milas, these new Diaspore crystals are spectacular in color and form. Glassy, flat termination faces on both 'arms'. Good V form, complete and undamaged with just a tiny contact at the very bottom tip. Gem quality and transparent inside. Medium purple color in natural sunlight.

LL720 - Diaspore $ 300
Pinarcik, Mugla Prov., Turkey
thumbnail - 1 x 1 x 0.3 cm

(click on an image to enlarge)
Diaspore from Pinarcik, Mugla Prov., Turkey [db_pics/pics/LL720a.jpg]

Diaspore from Pinarcik, Mugla Prov., Turkey [db_pics/pics/LL720b.jpg]

Diaspore from Pinarcik, Mugla Prov., Turkey [db_pics/pics/LL720c.jpg]

V-twin crystal of color change Diaspore. From new finds in the mountains near Milas, these new Diaspore crystals are spectacular in color and form. Glassy, flat termination faces on both 'arms'. Good V form, complete and undamaged. Gem quality and transparent inside. Medium purple color in natural sunlight.

LL721 - Diaspore $ 300
Pinarcik, Mugla Prov., Turkey
thumbnail - 1 x 1 x 0.3 cm

(click on an image to enlarge)
Diaspore from Pinarcik, Mugla Prov., Turkey [db_pics/pics/LL721a.jpg]

Diaspore from Pinarcik, Mugla Prov., Turkey [db_pics/pics/LL721b.jpg]

Diaspore from Pinarcik, Mugla Prov., Turkey [db_pics/pics/LL721c.jpg]

LL722 - Diaspore $ 380
Pinarcik, Mugla Prov., Turkey
thumbnail - 1.2 x 1 x 0.4 cm

(click on an image to enlarge)
Diaspore from Pinarcik, Mugla Prov., Turkey [db_pics/pics/LL722a.jpg]

Diaspore from Pinarcik, Mugla Prov., Turkey [db_pics/pics/LL722b.jpg]

Diaspore from Pinarcik, Mugla Prov., Turkey [db_pics/pics/LL722c.jpg]

V-twin crystal of color change Diaspore. From new finds in the mountains near Milas, these new Diaspore crystals are spectacular in color and form. Glassy, flat termination faces on both 'arms'. Good V form, complete and undamaged. Gem quality and transparent inside. Medium purple color in natural sunlight.

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.

LL658 - Clinoclase on Cornubite $ 200
Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA
small cabinet - 5.7 x 3.3 x 0.8 cm

(click on an image to enlarge)
Clinoclase on Cornubite from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL658a.jpg]

Clinoclase on Cornubite from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL658b.jpg]

Clinoclase on Cornubite from Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA [db_pics/pics/LL658c.jpg]

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

LL680 - Amethyst $ 160
Las Vigas, Veracruz, Mexico
small cabinet - 7.4 x 6 x 3.5 cm

(click on an image to enlarge)
Amethyst from Las Vigas, Veracruz, Mexico [db_pics/pics/LL680a.jpg]

Amethyst from Las Vigas, Veracruz, Mexico [db_pics/pics/LL680b.jpg]

Amethyst from Las Vigas, Veracruz, Mexico [db_pics/pics/LL680c.jpg]

Amethyst from Las Vigas, Veracruz, Mexico [db_pics/pics/LL680d.jpg]

Amethyst from Las Vigas, Veracruz, Mexico [db_pics/pics/LL680h.jpg]

Thin shards of Quartz and silica rich matrix hosting beautiful, undamaged Amethyst crystals. Main crystal is 4cm and double-terminated. Ex. Chuck Trantham and Al McGuinness collections.

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

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*145*	*146*

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