Marin Mineral Company - Selected Specimens

Selected Specimens

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MK254 - Vanadinite $ 300
Mibladen, Morocco
miniature - 3.4 x 3 x 2.5 cm

(click on an image to enlarge)
Vanadinite from Mibladen, Morocco [db_pics/pics/mk254a.jpg]

Vanadinite from Mibladen, Morocco [db_pics/pics/mk254b.jpg]

Vanadinite from Mibladen, Morocco [db_pics/pics/mk254c.jpg]

Blocky, barrel-shaped deep red Vanadinite crystals on matrix. The main crystal is an impressive 1.6 x 1.6cm in size. There is chipping to some small edge crystals along the left bottom, otherwise perfect.

MK255 - Orthoclase $ 95
Anjanabononoia, Manapa pegmatite Field, Betafo, Madagascar
thumbnail - 1.5 x 1.1 x 0.9 cm

(click on an image to enlarge)
Orthoclase from Anjanabononoia, Manapa pegmatite Field, Betafo, Madagascar [db_pics/pics/mk255a.jpg]

Orthoclase from Anjanabononoia, Manapa pegmatite Field, Betafo, Madagascar [db_pics/pics/mk255b.jpg]

Orthoclase from Anjanabononoia, Manapa pegmatite Field, Betafo, Madagascar [db_pics/pics/mk255c.jpg]

Orthoclase from Anjanabononoia, Manapa pegmatite Field, Betafo, Madagascar [db_pics/pics/mk255d.jpg]

Gem quality Orthoclase (Feldspar), a rarity for the species. Colorless and totally transparent with good crystal faces.

MK260 - Chalcocite $ 600
9 Level, Pig Lode, Geevor Mine, Pendeen, Cornwall, England
thumbnail - 3 x 1.8 x 1.5 cm

(click on an image to enlarge)
Chalcocite from 9 Level, Pig Lode, Geevor Mine, Pendeen, Cornwall, England [db_pics/pics/mk260a.jpg]

Chalcocite from 9 Level, Pig Lode, Geevor Mine, Pendeen, Cornwall, England [db_pics/pics/mk260b.jpg]

Chalcocite from 9 Level, Pig Lode, Geevor Mine, Pendeen, Cornwall, England [db_pics/pics/mk260c.jpg]

Chalcocite from 9 Level, Pig Lode, Geevor Mine, Pendeen, Cornwall, England [db_pics/pics/mk260d.jpg]

Chalcocite crystals with satiny metallic luster and slight golden irridescence. A 1cm tall 'drill-bit' twin crystal rises up at the top of the specimen. Collected in 1981 by Ken Coburn.

MK262 - Chalcocite $ 400
9 Level, Pig Lode, Geevor Mine, Pendeen, Cornwall, England
thumbnail - 2.7 x 1.8 x 1.6 cm

(click on an image to enlarge)
Chalcocite from 9 Level, Pig Lode, Geevor Mine, Pendeen, Cornwall, England [db_pics/pics/mk262a.jpg]

Chalcocite from 9 Level, Pig Lode, Geevor Mine, Pendeen, Cornwall, England [db_pics/pics/mk262b.jpg]

Chalcocite from 9 Level, Pig Lode, Geevor Mine, Pendeen, Cornwall, England [db_pics/pics/mk262c.jpg]

Chalcocite from 9 Level, Pig Lode, Geevor Mine, Pendeen, Cornwall, England [db_pics/pics/mk262d.jpg]

Well composed specimen of Chalcocite crystals with good crystals all over, front and back sides shown. Undamaged with crystals to 7mm in size. Collected in 1981 by Ken Coburn.

MK263 - Chalcocite $ 600
Cook's Kitchen Mine, Illogan, Cornwall, England
miniature - 4.5 x 3.5 x 2.8 cm

(click on an image to enlarge)
Chalcocite from Cook's Kitchen Mine, Illogan, Cornwall, England [db_pics/pics/mk263a.jpg]

Chalcocite from Cook's Kitchen Mine, Illogan, Cornwall, England [db_pics/pics/mk263b.jpg]

Chalcocite from Cook's Kitchen Mine, Illogan, Cornwall, England [db_pics/pics/mk263c.jpg]

Chalcocite from Cook's Kitchen Mine, Illogan, Cornwall, England [db_pics/pics/mk263d.jpg]

Old specimen of blocky Chalcocite crystals on matrix. Lots of great crystals well dispersed across the top surface. The crystals have a slight blueish irridescence. This specimen was in the MG Weller collection and likely dates back to the 1800s. From MINDAT: From 1815 to 1897, Cook's Kitchen Mine produced 8,859 tons of black tin, 40,920 tons of 5.5% copper ore, 120 tons of arsenic and 222 tons of arsenical pyrite. It is said to have been worked for 130 years prior to 1874, and to have been one of the most productive mines in Cornwall in 1814.

LV255 - Aquamarine $ 140
Xuan Le, Thoung Xuan District, Thanh Hoa Province, Vietnam
thumbnail - 2.7 x 0.5 x 0.3 cm

(click on an image to enlarge)
Aquamarine from Xuan Le, Thoung Xuan District, Thanh Hoa Province, Vietnam [db_pics/pics/LV255a.jpg]

Aquamarine from Xuan Le, Thoung Xuan District, Thanh Hoa Province, Vietnam [db_pics/pics/LV255b.jpg]

Single well terminated gem quality Aquamarine from Vietnam. Perfect and undamaged. The crystal is facet quality transparent for it's entire length and has the great blue color Vietnamese Aquas are known for.

LV258 - Aquamarine $ 150
Xuan Le, Thoung Xuan District, Thanh Hoa Province, Vietnam
thumbnail - 2.5 x 0.5 x 0.4 cm

(click on an image to enlarge)
Aquamarine from Xuan Le, Thoung Xuan District, Thanh Hoa Province, Vietnam [db_pics/pics/LV258a.jpg]

Aquamarine from Xuan Le, Thoung Xuan District, Thanh Hoa Province, Vietnam [db_pics/pics/LV258b.jpg]

LV193 - Calcite $ 200
Boron Open Pit, Kern Co., California, USA
small cabinet - 8.5 x 5 x 5 cm

(click on an image to enlarge)
Calcite from Boron Open Pit, Kern Co., California, USA [db_pics/pics/LV193a.jpg]

Calcite from Boron Open Pit, Kern Co., California, USA [db_pics/pics/LV193b.jpg]

Calcite from Boron Open Pit, Kern Co., California, USA [db_pics/pics/LV193c.jpg]

Bizarre Calcite specimen composed of worm-like spiraling growths of golden Calcite. Ex. Jim and Dawn Minette collection.

LV231 - Axinite $ 220
Bor Mine, Dal'Negorsk, Russia
small cabinet - 5.3 x 4 x 3.5 cm

(click on an image to enlarge)
Axinite from Bor Mine, Dal'Negorsk, Russia [db_pics/pics/LV231a.jpg]

Axinite from Bor Mine, Dal'Negorsk, Russia [db_pics/pics/LV231b.jpg]

Axinite from Bor Mine, Dal'Negorsk, Russia [db_pics/pics/LV231c.jpg]

Aesthetic group of upright purple Axinite crystals from the Bor Mine. The clusteris complete all around and have the slightly elongated, slightly curved form typical of Dal'Negorsk Axinite.

LV293 - Sapphirine $ 280
Anosy Region, Tulear Prov., Madagascar
miniature - 3.5 x 3.5 x 3 cm

(click on an image to enlarge)
Sapphirine from Anosy Region, Tulear Prov., Madagascar [db_pics/pics/LV293a.jpg]

Sapphirine from Anosy Region, Tulear Prov., Madagascar [db_pics/pics/LV293b.jpg]

Sapphirine from Anosy Region, Tulear Prov., Madagascar [db_pics/pics/LV293c.jpg]

Sapphirine from Anosy Region, Tulear Prov., Madagascar [db_pics/pics/LV293d.jpg]

Well fomred crystals of Sapphirine exposed in a matrix of reddish Phlogopite, Quartz, and Calcite. There are two major crystals to 1.4cm in size and a number of smaller crystals. The Sapphirine are translucent when backlit along the edges. A rich and fine display specimen of this rare magnesium aluminum silicate mineral.

LV230 - ManganoCalcite with Pyrite $ 180
Chenzhou, Hunan Prov., China
cabinet - 12.5 x 7.5 x 4 cm

(click on an image to enlarge)
ManganoCalcite with Pyrite from Chenzhou, Hunan Prov., China [db_pics/pics/LV230a.jpg]

ManganoCalcite with Pyrite from Chenzhou, Hunan Prov., China [db_pics/pics/LV230b.jpg]

ManganoCalcite with Pyrite from Chenzhou, Hunan Prov., China [db_pics/pics/LV230c.jpg]

ManganoCalcite with Pyrite from Chenzhou, Hunan Prov., China [db_pics/pics/LV230d.jpg]

Large, translucent pink ManganoCalcite crystals on a Pyrite rich matrix. The Calcite form a dense grouping of upright scalenohedral crystals.

LV270 - Tremolite $ 350
Merelani Hills, Arusha, Tanzania
miniature - 4.7 x 1.4 x 0.7 cm

(click on an image to enlarge)
Tremolite from Merelani Hills, Arusha, Tanzania [db_pics/pics/LV270a.jpg]

Tremolite from Merelani Hills, Arusha, Tanzania [db_pics/pics/LV270b.jpg]

Tremolite from Merelani Hills, Arusha, Tanzania [db_pics/pics/LV270c.jpg]

Tremolite from Merelani Hills, Arusha, Tanzania [db_pics/pics/LV270d.jpg]

Elongated, gemmy single Tremolite crystal from the Merelani Tanzanite mines. This is larger than average with a vibrant green color and a perfect flat termination. Complete all around and undamaged, even the bottom is rehealed.

LV266 - Mottramite stalactite $ 125
Ojuela Mine, Mapimi, Durango, Mexico
thumbnail - 2.8 x 1.2 x 1.2 cm

(click on an image to enlarge)
Mottramite stalactite from Ojuela Mine, Mapimi, Durango, Mexico [db_pics/pics/LV266a.jpg]

Mottramite stalactite from Ojuela Mine, Mapimi, Durango, Mexico [db_pics/pics/LV266b.jpg]

Mottramite stalactite from Ojuela Mine, Mapimi, Durango, Mexico [db_pics/pics/LV266c.jpg]

Mottramite stalactite from Ojuela Mine, Mapimi, Durango, Mexico [db_pics/pics/LV266d.jpg]

Stalactitic formation of solid Mottramite. Complete all around and undamaged, a really neat thumbnail-sized specimen.

LV272 - Copper $ 180
Keweenaw Peninsula, Michigan, USA
thumbnail - 2.7 x 2.2 x 1.5 cm

(click on an image to enlarge)
Copper from Keweenaw Peninsula, Michigan, USA [db_pics/pics/LV272a.jpg]

Copper from Keweenaw Peninsula, Michigan, USA [db_pics/pics/LV272b.jpg]

Copper from Keweenaw Peninsula, Michigan, USA [db_pics/pics/LV272c.jpg]

Large Copper crystals atop a small amount of hackly Copper and Calcite. The Copper has a deep patina and can be displayed from either side.

MK269 - Coquimbite, Romerite $ 300
South Olga Tunnel, Monte Arsiccio Mine, Stazzema, Lucca Province, Tuscany, Italy
miniature - 4 x 3.3 x 2.2 cm

(click on an image to enlarge)
Coquimbite, Romerite from South Olga Tunnel, Monte Arsiccio Mine, Stazzema, Lucca Province, Tuscany, Italy [db_pics/pics/mk269a.jpg]

Coquimbite, Romerite from South Olga Tunnel, Monte Arsiccio Mine, Stazzema, Lucca Province, Tuscany, Italy [db_pics/pics/mk269a.jpg]

Coquimbite, Romerite from South Olga Tunnel, Monte Arsiccio Mine, Stazzema, Lucca Province, Tuscany, Italy [db_pics/pics/mk269b.jpg]

Coquimbite, Romerite from South Olga Tunnel, Monte Arsiccio Mine, Stazzema, Lucca Province, Tuscany, Italy [db_pics/pics/mk269c.jpg]

Coquimbite, Romerite from South Olga Tunnel, Monte Arsiccio Mine, Stazzema, Lucca Province, Tuscany, Italy [db_pics/pics/mk269d.jpg]

Outstanding large purple Coquimbite crystal set in white Alunogen with dark red crystals of Romerite from recent finds at the Monte Arsiccio Mine in Italy. The Monte Arisiccio Mine is an old iron mine that worked Barite, Pyrite, and iron oxide ore bodies. Along with other uncommon sulfate minerals, this mine has produced what are in my opinion the world's best Coquimbite specimens. The Coquimbite crystal is well formed and 2.2cm in size and has incredibly rich purple coloration that contrasts well against the white Alunogen. These specimens should be kept sealed in plastic bags or boxes or otherwise be kept from high humidity or moisture. This specimen comes mounted in a plastic box. (click on a page number to go to that page:)

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