Marin Mineral Company - Selected Specimens

Selected Specimens

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J810 - Feldspar var. Moonstone $ 800
Namalulu, Tanzania
small cabinet - 8 x 6.5 x 5.5 cm

(click on an image to enlarge)
Feldspar var. Moonstone from Namalulu, Tanzania [db_pics/pics/J810a.jpg]

Feldspar var. Moonstone from Namalulu, Tanzania [db_pics/pics/J810b.jpg]

Feldspar var. Moonstone from Namalulu, Tanzania [db_pics/pics/J810c.jpg]

Feldspar var. Moonstone from Namalulu, Tanzania [db_pics/pics/J810d.jpg]

Feldspar var. Moonstone from Namalulu, Tanzania [db_pics/pics/J810e.jpg]

Blocky, grey/white Felspar crystals from a recent (and seemingly one time) find of crystallized moonstone from Tanzania. This is the single best specimen I've seen with both quality, well formed crystals and good color. The main crystal is 4.1cm wide and displays a satiny blue color across the end surfaces. This 'Schiller effect' is seen when you turn the crystal under lighting. Good color can be seen on a number of the other smaller crystals too. Moonstone crystals are rare!

J920 - Copper $ 750
Ajo, Arizona, USA
large cabinet - 32 x 13.5 x 1.2 cm

(click on an image to enlarge)
Copper from Ajo, Arizona, USA [db_pics/pics/J920a.jpg]

Copper from Ajo, Arizona, USA [db_pics/pics/J920b.jpg]

Copper from Ajo, Arizona, USA [db_pics/pics/J920c.jpg]

Copper from Ajo, Arizona, USA [db_pics/pics/J920d.jpg]

Copper from Ajo, Arizona, USA [db_pics/pics/J920e.jpg]

Massive Ajo Copper with a row of tall crystals to 13cm. This formed in a thin seam and has a uniform thickness throughout the specimen. This was in an old collection I bought and based on the other minerals in the collection, I estimate it's from the 1970s or 1980s.

J777 - Cuprite on Copper $ 200
unknown
miniature - 5 x 4.5 x 3.7 cm

(click on an image to enlarge)
Cuprite on Copper from unknown [db_pics/pics/J777a.jpg]

Cuprite on Copper from unknown [db_pics/pics/J777b.jpg]

Cuprite on Copper from unknown [db_pics/pics/J777c.jpg]

Cuprite on Copper from unknown [db_pics/pics/J777d.jpg]

Cuprite on Copper from unknown [db_pics/pics/J777e.jpg]

Octahedral Cuprite crystals covering Copper. Out and collection with no locality given, and therefore priced low.

J772 - Hutchinsonite with Orpiment $ 225
Quiruvilca, La Libertad Dept., Peru
small cabinet - 6 x 5.5 x 4 cm

(click on an image to enlarge)
Hutchinsonite with Orpiment from Quiruvilca, La Libertad Dept., Peru [db_pics/pics/J772a.jpg]

Hutchinsonite with Orpiment from Quiruvilca, La Libertad Dept., Peru [db_pics/pics/J772b.jpg]

Hutchinsonite with Orpiment from Quiruvilca, La Libertad Dept., Peru [db_pics/pics/J772c.jpg]

Hutchinsonite with Orpiment from Quiruvilca, La Libertad Dept., Peru [db_pics/pics/J772d.jpg]

Spherical crystal groups of orange Orpiment and red crystals of Hutchinsonite on matrix. Hutchinsonite is a rare thallium sulfosalt species and these recently found red crystals are some of the best ever found. Crystals reach 7mm long.

J774 - Clinoatacamite $ 290
Lily Mine, Ica Department, Peru
miniature - 4 x 3.5 x 2.5 cm

(click on an image to enlarge)
Clinoatacamite from Lily Mine, Ica Department, Peru [db_pics/pics/J774a.jpg]

Clinoatacamite from Lily Mine, Ica Department, Peru [db_pics/pics/J774b.jpg]

Clinoatacamite from Lily Mine, Ica Department, Peru [db_pics/pics/J774c.jpg]

Selenite and Chrysocolla lined vug with large, robust crystals of dark green Clinoatacamite to 9mm. The Clinoatacamite is especially good on this one. These are regarded as the world's best Clinoatacamite specimens. The Lily Mine is now closed.

J775 - Clinoatacamite $ 200
Lily Mine, Ica Department, Peru
miniature - 3.8 x 3.5 x 3 cm

(click on an image to enlarge)
Clinoatacamite from Lily Mine, Ica Department, Peru [db_pics/pics/J775a.jpg]

Clinoatacamite from Lily Mine, Ica Department, Peru [db_pics/pics/J775b.jpg]

Clinoatacamite from Lily Mine, Ica Department, Peru [db_pics/pics/J775c.jpg]

Clinoatacamite from Lily Mine, Ica Department, Peru [db_pics/pics/J775d.jpg]

Selenite and Chrysocolla lined vug with large, robust crystals of dark green Clinoatacamite. These are regarded as the world's best Clinoatacamite specimens. The Lily Mine is now closed.

J992 - Quartz $ 250
Tarentaise, Savoi, France
miniature - 4 x 2 x 1 cm

(click on an image to enlarge)
Quartz from Tarentaise, Savoi, France [db_pics/pics/J992a.jpg]

Quartz from Tarentaise, Savoi, France [db_pics/pics/J992b.jpg]

Quartz from Tarentaise, Savoi, France [db_pics/pics/J992c.jpg]

Quartz from Tarentaise, Savoi, France [db_pics/pics/J992d.jpg]

3 Quartz crystals from France, each with unusual form, exceptional luster, and transparency. They all appera to have faden lines. Out of an old collection.

J971 - Hutchinsonite with Pyrite $ 1250
Quiruvilca, La Libertad Dept., Peru
cabinet - 12 x 8 x 2.5 cm

(click on an image to enlarge)
Hutchinsonite with Pyrite from Quiruvilca, La Libertad Dept., Peru [db_pics/pics/J971a.jpg]

Hutchinsonite with Pyrite from Quiruvilca, La Libertad Dept., Peru [db_pics/pics/J971b.jpg]

Hutchinsonite with Pyrite from Quiruvilca, La Libertad Dept., Peru [db_pics/pics/J971c.jpg]

Hutchinsonite with Pyrite from Quiruvilca, La Libertad Dept., Peru [db_pics/pics/J971d.jpg]

Pyrite and red crystals of Hutchinsonite on matrix. Hutchinsonite is a rare thallium sulfosalt species and these recently found red crystals are some of the best ever found. Crystals reach 8mm long and contrast nicely with the Pyrite. Undamaged with an even distribution of both species across the front face. About as nice a Hutchinsonite specimen as you could expect and the best one I've ever had.

J974 - Hutchinsonite with Pyrite $ 500
Quiruvilca, La Libertad Dept., Peru
small cabinet - 8.5 x 6 x 2.5 cm

(click on an image to enlarge)
Hutchinsonite with Pyrite from Quiruvilca, La Libertad Dept., Peru [db_pics/pics/J974a.jpg]

Hutchinsonite with Pyrite from Quiruvilca, La Libertad Dept., Peru [db_pics/pics/J974b.jpg]

Hutchinsonite with Pyrite from Quiruvilca, La Libertad Dept., Peru [db_pics/pics/J974c.jpg]

Pyrite and red crystals of Hutchinsonite on matrix. Hutchinsonite is a rare thallium sulfosalt species and these recently found red crystals are some of the best ever found. Crystals reach 6mm long and contrast nicely with the Pyrite. Undamaged with an even distribution of both species across the front face. Top quality.

J995 - Ettringite $ 325
Wessels Mine, Kalahari Manganese Fields, South Africa
miniature - 5 x 4 x 2.5 cm

(click on an image to enlarge)
Ettringite from Wessels Mine, Kalahari Manganese Fields, South Africa [db_pics/pics/J995a.jpg]

Ettringite from Wessels Mine, Kalahari Manganese Fields, South Africa [db_pics/pics/J995b.jpg]

Ettringite from Wessels Mine, Kalahari Manganese Fields, South Africa [db_pics/pics/J995c.jpg]

Water clear Calcite crystals and lemon yellow Ettringite crystals on a Manganite matrix.

K131 - Quartz over Dioptase $ 350
Mindouli District, Brazzaville, Congo
small cabinet - 7 x 6 x 4.5 cm

(click on an image to enlarge)
Quartz over Dioptase from Mindouli District, Brazzaville, Congo [db_pics/pics/k131a.jpg]

Quartz over Dioptase from Mindouli District, Brazzaville, Congo [db_pics/pics/k131b.jpg]

Quartz over Dioptase from Mindouli District, Brazzaville, Congo [db_pics/pics/k131c.jpg]

Quartz over Dioptase from Mindouli District, Brazzaville, Congo [db_pics/pics/k131d.jpg]

Quartz over Dioptase from Mindouli District, Brazzaville, Congo [db_pics/pics/k131e.jpg]

Specimen of chunky Dioptase crystals partially coated by Quartz crystals. The specimen is almost solid Dioptase with some Plancheite or Shattuckite. This is an old specimen from the 1980s or 1990s.

K135 - Chalcocite $ 350
Redruth, Cornwall, England
small cabinet - 8.5 x 4 x 1.5 cm

(click on an image to enlarge)
Chalcocite from Redruth, Cornwall, England [db_pics/pics/k135a.jpg]

Chalcocite from Redruth, Cornwall, England [db_pics/pics/k135b.jpg]

Chalcocite from Redruth, Cornwall, England [db_pics/pics/k135c.jpg]

Chalcocite from Redruth, Cornwall, England [db_pics/pics/k135d.jpg]

Specimen of solid Chalcocite from the classic Cornwall locality. The Chalcocite grew in a narrow seam and where growth allowed, well formed striated crystals to 2cm formed.

K179 - Stibnite $ 150
Sulfur Bank Mine, Lake Co., California, USA
small cabinet - 7 x 6.5 x 5 cm

(click on an image to enlarge)
Stibnite from Sulfur Bank Mine, Lake Co., California, USA [db_pics/pics/k179a.jpg]

Stibnite from Sulfur Bank Mine, Lake Co., California, USA [db_pics/pics/k179b.jpg]

Stibnite from Sulfur Bank Mine, Lake Co., California, USA [db_pics/pics/k179c.jpg]

Stibnite from Sulfur Bank Mine, Lake Co., California, USA [db_pics/pics/k179d.jpg]

Andesite matrix loaded with silvery needles of Stibnite crystals. From an old mercury and sulfur mine located on the banks of Clear Lake.

K152 - Copper $ 1200
Central Mine, Central, Keweenaw Co., Michigan, USA
cabinet - 14.5 x 6 x 4 cm

(click on an image to enlarge)
Copper from Central Mine, Central, Keweenaw Co., Michigan, USA [db_pics/pics/k152a.jpg]

Copper from Central Mine, Central, Keweenaw Co., Michigan, USA [db_pics/pics/k152b.jpg]

Copper from Central Mine, Central, Keweenaw Co., Michigan, USA [db_pics/pics/k152c.jpg]

Copper from Central Mine, Central, Keweenaw Co., Michigan, USA [db_pics/pics/k152d.jpg]

Copper from Central Mine, Central, Keweenaw Co., Michigan, USA [db_pics/pics/k152e.jpg]

Well crystallized Copper specimen with both good crystals and alot of character, looking somewhat like a 'walking copper'. Good sharp crystals and good patina.

K149 - Azurite with Malachite $ 150
Dexing, Jiangxi Prov., China
small cabinet - 7 x 4 x 3.5 cm

(click on an image to enlarge)
Azurite with Malachite from Dexing, Jiangxi Prov., China [db_pics/pics/k149a.jpg]

Azurite with Malachite from Dexing, Jiangxi Prov., China [db_pics/pics/k149b.jpg]

Azurite with Malachite from Dexing, Jiangxi Prov., China [db_pics/pics/k149c.jpg]

Azurite with Malachite from Dexing, Jiangxi Prov., China [db_pics/pics/k149d.jpg]

Azurite with Malachite from Dexing, Jiangxi Prov., China [db_pics/pics/k149e.jpg]

Azurite and Malachite 'geode' with good Azurite crystals on the outside and a beautiful Azurite crystal lined cavity in the middle. . (click on a page number to go to that page:)

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