Marin Mineral Company - Selected Specimens

Selected Specimens

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C197 - Covellite on Quartz $ 350
Leonard Mine, Butte, Montana, USA
small cabinet - 5.5 x 4 x 3 cm

(click on an image to enlarge)
Covellite on Quartz from Leonard Mine, Butte, Montana, USA [db_pics/pics/c197a.jpg]

Covellite on Quartz from Leonard Mine, Butte, Montana, USA [db_pics/pics/c197b.jpg]

Covellite on Quartz from Leonard Mine, Butte, Montana, USA [db_pics/pics/c197c.jpg]

Covellite on Quartz from Leonard Mine, Butte, Montana, USA [db_pics/pics/c197d.jpg]

Hexagonal platy crystals of irridescent Covellite on a Quartz crystal covered matrix. While larger foliated masses of Covellite crystals are more commonly seen, my favorite type from the locality are those such as this specimen with the individual crystals standing up on a bed of Quartz crystals.

C198 - Pyromorphite $ 280
Daoping Mine, Guangxi, China
miniature - 4.5 x 4 x 2.5 cm

(click on an image to enlarge)
Pyromorphite from Daoping Mine, Guangxi, China [db_pics/pics/c198a.jpg]

Pyromorphite from Daoping Mine, Guangxi, China [db_pics/pics/c198b.jpg]

Pyromorphite from Daoping Mine, Guangxi, China [db_pics/pics/c198c.jpg]

Bright lime green crystals of Pyromorphite. The specimen is nearly solid Pyromorphite with just a very small amount of limonite. Showy with top lime green color. Comes with old Steve Perry label.

C201 - Elbaite $ 450
Virgem da Lapa, Minas Gerias, Brazil
small cabinet - 5.5 x 0.7 x 0.6 cm

(click on an image to enlarge)
Elbaite from Virgem da Lapa, Minas Gerias, Brazil [db_pics/pics/c201a.jpg]

Elbaite from Virgem da Lapa, Minas Gerias, Brazil [db_pics/pics/c201b.jpg]

Elbaite from Virgem da Lapa, Minas Gerias, Brazil [db_pics/pics/c201c.jpg]

Purple and pink Tourmaline crystal out of an old collection. This is classic old Virgem da Lapa material, probably from the 1960s. Gemmy from tip to bottom with a purple body color and bright pink termination. Undamaged and weighs 4.4 grams.

C205 - Legrandite $ 2200
Mina Oujela, Mapimi, Durango, Mexico
miniature - 3.3 x 1 x 0.6 cm

(click on an image to enlarge)
Legrandite from Mina Oujela, Mapimi, Durango, Mexico [db_pics/pics/c205a.jpg]

Legrandite from Mina Oujela, Mapimi, Durango, Mexico [db_pics/pics/c205b.jpg]

Legrandite from Mina Oujela, Mapimi, Durango, Mexico [db_pics/pics/c205c.jpg]

Floater, double-terminated Legrandite crystal from the recent (2017) find. Thick and translucent with great color. There were not many single crystals found (I only saw one other). .

C207 - Fluorite with Galena $ 400
Frazers Hush Mine, Weardale, Durham, England
small cabinet - 5.5 x 4 x 2.5 cm

(click on an image to enlarge)
Fluorite with Galena from Frazers Hush Mine, Weardale, Durham, England [db_pics/pics/c207a.jpg]

Fluorite with Galena from Frazers Hush Mine, Weardale, Durham, England [db_pics/pics/c207b.jpg]

Fluorite with Galena from Frazers Hush Mine, Weardale, Durham, England [db_pics/pics/c207c.jpg]

Translucent lavender colored Fluorite cubes associated with Galena. Ex. Tim Sherburn collection, comes with old David & Matthew Barker label.

C212 - Brazilianite $ 350
Corrego Frio, Minas Gerais, Brazil
thumbnail - 2.7 x 2 x 1.6 cm

(click on an image to enlarge)
Brazilianite from Corrego Frio, Minas Gerais, Brazil [db_pics/pics/c212a.jpg]

Brazilianite from Corrego Frio, Minas Gerais, Brazil [db_pics/pics/c212b.jpg]

Brazilianite from Corrego Frio, Minas Gerais, Brazil [db_pics/pics/c212c.jpg]

Brazilianite from Corrego Frio, Minas Gerais, Brazil [db_pics/pics/C212.mp4]

Single crystal from the old, best find for the species.

C213 - Sphene $ 450
Mondo Mine, Tanzania
small cabinet - 6 x 4.5 x 1.7 cm

(click on an image to enlarge)
Sphene from Mondo Mine, Tanzania [db_pics/pics/c213a.jpg]

Sphene from Mondo Mine, Tanzania [db_pics/pics/c213b.jpg]

Sphene from Mondo Mine, Tanzania [db_pics/pics/c213c.jpg]

A large, well formed single Sphene crystal from teh relatively new Mondo Mine. The locality is primarily mined for Quartz, but occassionally a good Sphene is found. This is as large and sharp and Sphene as I have seen from this locality so far. Good on front and back with gem zones.

C220 - Pink Tanzanite $ 500
Merelani Hills, Arusha, Tanzania
thumbnail - 1.7 x 1.3 x 0.7 cm

(click on an image to enlarge)
Pink Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/c220a.jpg]

Pink Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/c220b.jpg]

Pink Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/c220c.jpg]

Pink Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/c220d.jpg]

Three interconnected pink Tanzanite crystals with attached zeolites. There is a little bit of blue at the base. Undamaged.

C240 - Diamond $ 1800
South Africa
thumbnail - 1.3 x 1.2 x 1.1 cm

(click on an image to enlarge)
Diamond from South Africa [db_pics/pics/c240a.jpg]

Diamond from South Africa [db_pics/pics/c240b.jpg]

Diamond from South Africa [db_pics/pics/c240c.jpg]

Complete octahedral Diamond crystal. Great luster with surface growth features. Translucent with gem zones. Weighs 8.25 carats.

C243 - Mangano Calcite $ 1200
Dal'negorsk, Russia
large cabinet - 20 x 9.5 x 6 cm

(click on an image to enlarge)
Mangano Calcite from Dal'negorsk, Russia [db_pics/pics/c243a.jpg]

Mangano Calcite from Dal'negorsk, Russia [db_pics/pics/c243b.jpg]

Mangano Calcite from Dal'negorsk, Russia [db_pics/pics/c243c.jpg]

Mangano Calcite from Dal'negorsk, Russia [db_pics/pics/c243d.jpg]

Disc shaped pink Mangano Calcite crystals on matrix. Great pink color. Large undamaged display specimen.

C244 - Mangano Calcite $ 1200
Dal'negorsk, Russia
large cabinet - 23 x 12 x 8 cm

(click on an image to enlarge)
Mangano Calcite from Dal'negorsk, Russia [db_pics/pics/c244a.jpg]

Mangano Calcite from Dal'negorsk, Russia [db_pics/pics/c244b.jpg]

Mangano Calcite from Dal'negorsk, Russia [db_pics/pics/c244c.jpg]

Mangano Calcite from Dal'negorsk, Russia [db_pics/pics/c244d.jpg]

Disc shaped pink Mangano Calcite crystals in two stacks. Each stack of crystals is at a different angle, so on the left you see the crystal tops and to the right you see a stack from the side. Large crystal on the left is 12cm wide. There are oriented inclusions of a dark needle-like mineral. Slight edge chipping but overall very clean and free of damage.

C246 - Fluorite $ 250
Huanggang Mine, Inner Mongolia, China
small cabinet - 6 x 6 x 5.5 cm

(click on an image to enlarge)
Fluorite from Huanggang Mine, Inner Mongolia, China [db_pics/pics/c246a.jpg]

Fluorite from Huanggang Mine, Inner Mongolia, China [db_pics/pics/c246b.jpg]

Fluorite from Huanggang Mine, Inner Mongolia, China [db_pics/pics/c246c.jpg]

Large, clear octahedron of Fluorite with Quartz crystals. Large, smooth flat crystal faces with a small natural step on the back face.

C248 - Azurite $ 150
Milpillas Mine, Cuitaca, Sonora, Mexico
miniature - 3.2 x 2.8 x 1.5 cm

(click on an image to enlarge)
Azurite from Milpillas Mine, Cuitaca, Sonora, Mexico [db_pics/pics/c248a.jpg]

Azurite from Milpillas Mine, Cuitaca, Sonora, Mexico [db_pics/pics/c248b.jpg]

Azurite from Milpillas Mine, Cuitaca, Sonora, Mexico [db_pics/pics/c248c.jpg]

Bright 'electric' blue Azurite crystals to 2.7cm in size. The crystals have partially psuedomorphed to Malachite and you can see Malachite in two areas. This veneer of Azurite over an inner core of Malachite gives these specimens the bright 'electric' blue color. These are no longer being found.

C252 - Chrome Dravite $ 350
Landani, Tanzania
thumbnail - 2.5 x 0.9 x 0.9 cm

(click on an image to enlarge)
Chrome Dravite from Landani, Tanzania [db_pics/pics/c252a.jpg]

Chrome Dravite from Landani, Tanzania [db_pics/pics/c252b.jpg]

Chrome Dravite from Landani, Tanzania [db_pics/pics/c252c.jpg]

Deep chrome green Dravite crystal with a curious clear (Achroite) termination. Translucent with excellent color and undamaged.

C254 - Malachite after Azurite $ 100
Sacramento Mine, Bisbee, Arizona, USA
thumbnail - 2.5 x 2 x 1.5 cm

(click on an image to enlarge)
Malachite after Azurite from Sacramento Mine, Bisbee, Arizona, USA [db_pics/pics/c254a.jpg]

Malachite after Azurite from Sacramento Mine, Bisbee, Arizona, USA [db_pics/pics/c254b.jpg]

Malachite after Azurite from Sacramento Mine, Bisbee, Arizona, USA [db_pics/pics/c254c.jpg]

Pair of well fomred, crossing pseudomorphs of Malachite after Azurite. Fine quality undamaged thumbnail.

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