Marin Mineral Company - Selected Specimens

Selected Specimens

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J121 - Prehnite $ 150
Merelani Hills, Arusha, Tanzania
miniature - 3.3 x 2.5 x 2.5 cm

(click on an image to enlarge)
Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J121a.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J121b.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J121c.jpg]

Well crystallized Prehnite from recent finds at the Merelani Tanzanite mines. Highly translucent with a greenish yellow color. Spherical form with quality large crystals. These recent Prehnites are the best ever found at the locality.

J122 - Prehnite $ 180
Merelani Hills, Arusha, Tanzania
miniature - 3.5 x 3.5 x 2.0 cm

(click on an image to enlarge)
Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J122a.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J122b.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J122c.jpg]

Well crystallized Prehnite from recent finds at the Merelani Tanzanite mines. Highly translucent with a greenish yellow color. Undamaged large crystals with Graphite attached on the backside. These recent Prehnites are the best ever found at the locality.

J123 - Prehnite $ 175
Merelani Hills, Arusha, Tanzania
miniature - 4 x 3.2 x 3.0 cm

(click on an image to enlarge)
Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J123a.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J123b.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J123c.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J123d.jpg]

Well crystallized Prehnite from recent finds at the Merelani Tanzanite mines. Highly translucent with a greenish yellow color. Spherical cluster of large crystals with Graphite attached on the base. Large, transparent crystals stick out from the spherical mass of crystals. Some chipping but overall in great condition. These recent Prehnites are the best ever found at the locality.

J125 - Prehnite ~~$ 150~~ DISCOUNTED 50% OFF TO $ 75
Merelani Hills, Arusha, Tanzania
miniature - 3.5 x 3.0 x 2.5 cm

(click on an image to enlarge)
Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J125a.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J125b.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/J125c.jpg]

Well crystallized Prehnite from recent finds at the Merelani Tanzanite mines. Highly translucent with a greenish yellow color. Good large crystals with attached Graphite, complete all around with only a couple minor chips. These recent Prehnites are the best ever found at the locality.

J126 - Wulfenite ~~$ 220~~ DISCOUNTED 50% OFF TO $ 110
79 Mine, Gila Co., Arizona, USA
small cabinet - 5.5 x 4.5 x 2.5 cm

(click on an image to enlarge)
Wulfenite from 79 Mine, Gila Co., Arizona, USA [db_pics/pics/J126a.jpg]

Wulfenite from 79 Mine, Gila Co., Arizona, USA [db_pics/pics/J126b.jpg]

Wulfenite from 79 Mine, Gila Co., Arizona, USA [db_pics/pics/J126c.jpg]

Wulfenite from 79 Mine, Gila Co., Arizona, USA [db_pics/pics/J126d.jpg]

Orange Wulfenite crystals to 7mm on Hemimorphite. There is also green acicular Aurichalcite present adding color. Undamaged.

J40 - Copper with Silver ~~$ 350~~ DISCOUNTED 50% OFF TO $ 175
Keweenaw Peninsula, Michigan, USA
cabinet - 14.0 x 9.0 x 5.0 cm

(click on an image to enlarge)
Copper with Silver from Keweenaw Peninsula, Michigan, USA [db_pics/pics/J40a.jpg]

Copper with Silver from Keweenaw Peninsula, Michigan, USA [db_pics/pics/J40b.jpg]

Copper with Silver from Keweenaw Peninsula, Michigan, USA [db_pics/pics/J40c.jpg]

Copper with Silver from Keweenaw Peninsula, Michigan, USA [db_pics/pics/J40d.jpg]

Copper with Silver from Keweenaw Peninsula, Michigan, USA [db_pics/pics/J40e.jpg]

Copper with Silver from Keweenaw Peninsula, Michigan, USA [db_pics/pics/J40f.jpg]

A classic cabinet size Michigan Copper specimen with minor Quartz and a few patches of bright native Silver. There is also a cavity with larger crystals that have a red patina. Weight is 1lb, 9.6oz, or 727 grams.

J42 - Cuprite with Copper $ 300
Chino Mine, Santa Rita District, Grant County, New Mexico, USA
cabinet - 11.5 x 6.6 x 4.6 cm

(click on an image to enlarge)
Cuprite with Copper from Chino Mine, Santa Rita District, Grant County, New Mexico, USA [db_pics/pics/J42a.jpg]

Cuprite with Copper from Chino Mine, Santa Rita District, Grant County, New Mexico, USA [db_pics/pics/J42b.jpg]

Cuprite with Copper from Chino Mine, Santa Rita District, Grant County, New Mexico, USA [db_pics/pics/J42c.jpg]

Cuprite with Copper from Chino Mine, Santa Rita District, Grant County, New Mexico, USA [db_pics/pics/J42d.jpg]

Cuprite with Copper from Chino Mine, Santa Rita District, Grant County, New Mexico, USA [db_pics/pics/J42e.jpg]

An old-time specimen of deep red color Cuprite crystals and bronze color native Copper crystals. A bit of white color brecciated Quartz matrix still remains. Weight is just under 1lb at 14.1oz or 399 grams.

J47 - Fluorite with Dolomite ~~$ 200~~ DISCOUNTED 50% OFF TO $ 100
Black Dene Mine, Cumberland, England
thumbnail - 2.6 x 2.3 x 2.0 cm

(click on an image to enlarge)
Fluorite with Dolomite from Black Dene Mine, Cumberland, England [db_pics/pics/J47a.jpg]

Fluorite with Dolomite from Black Dene Mine, Cumberland, England [db_pics/pics/J47b.jpg]

Fluorite with Dolomite from Black Dene Mine, Cumberland, England [db_pics/pics/J47c.jpg]

Fluorite with Dolomite from Black Dene Mine, Cumberland, England [db_pics/pics/J47d.jpg]

Fluorite with Dolomite from Black Dene Mine, Cumberland, England [db_pics/pics/J47e.jpg]

A very sculptural specimen with cubic, lavender color, Fluorite crystals 'capped' by small white color Dolomite crystals that are dusted with microscopic Pyrite. An outstanding classic English Fluorite specimen with an old Al McGuinness label circa 1970's. The bottom of the matrix has a trim-cut for the best presentation angle. Most importantly, there is NO Damage to the Fluorite crystals, and they are razor sharp!

J48 - Rhodochrosite $ 260
Santa Eulalia, Chihuahua, Mexico
small cabinet - 5.5 x 5.5 x 4.0 cm

(click on an image to enlarge)
Rhodochrosite from Santa Eulalia, Chihuahua, Mexico [db_pics/pics/J48a.jpg]

Rhodochrosite from Santa Eulalia, Chihuahua, Mexico [db_pics/pics/J48b.jpg]

Rhodochrosite from Santa Eulalia, Chihuahua, Mexico [db_pics/pics/J48c.jpg]

Rhodochrosite from Santa Eulalia, Chihuahua, Mexico [db_pics/pics/J48d.jpg]

A gemmy 'ball' of small Rhodochrosite crystals rests in the center of dark gray matrix. Two other areas also show Rhodochrosite crystals, but the center group is the main point of attraction. When seen with the aid of magnification, you will find dozens of millimeter size clear cubic Fluorite crystals in the matrix areas that host the Rhodochrosite.

J49 - Silver $ 300
Keweenaw Peninsula, Michigan, USA
small cabinet - 6.5 x 4.5 x 3.0 cm

(click on an image to enlarge)
Silver from Keweenaw Peninsula, Michigan, USA [db_pics/pics/J49a.jpg]

Silver from Keweenaw Peninsula, Michigan, USA [db_pics/pics/J49b.jpg]

Silver from Keweenaw Peninsula, Michigan, USA [db_pics/pics/J49c.jpg]

A hackly group of native Silver crystals with much of the original patina remaining. Weight is 69 grams.

J50 - Silver with Acanthite $ 250
Uchucchacua Mine, Peru
miniature - 3.7 x 3.2 x 3.0 cm

(click on an image to enlarge)
Silver with Acanthite from Uchucchacua Mine, Peru [db_pics/pics/J50a.jpg]

Silver with Acanthite from Uchucchacua Mine, Peru [db_pics/pics/J50b.jpg]

Silver with Acanthite from Uchucchacua Mine, Peru [db_pics/pics/J50c.jpg]

Silver with Acanthite from Uchucchacua Mine, Peru [db_pics/pics/J50d.jpg]

Silver wires and patches of native Silver with areas of Acanthite rising from a black sulfide rich matrix. Estimated length of the longest Silver wire is about 2cm. There are a number of good wires present. These are no longer being found.

J55 - Silver with Acanthite $ 250
Uchucchacua Mine, Peru
miniature - 4.4 x 3.8 x 3.3 cm

(click on an image to enlarge)
Silver with Acanthite from Uchucchacua Mine, Peru [db_pics/pics/J55a.jpg]

Silver with Acanthite from Uchucchacua Mine, Peru [db_pics/pics/J55b.jpg]

Silver with Acanthite from Uchucchacua Mine, Peru [db_pics/pics/J55c.jpg]

Multiple Silver wires and patches of native Silver with areas of Acanthite rising from a black sulfide rich matrix. Estimated length of the longest Silver wire is about 2.2cm. There are a number of good wires present. These are no longer being found.

J56 - Silver with Acanthite $ 200
Uchucchacua Mine, Peru
miniature - 3.8 x 3.6 x 2.3 cm

(click on an image to enlarge)
Silver with Acanthite from Uchucchacua Mine, Peru [db_pics/pics/J56a.jpg]

Silver with Acanthite from Uchucchacua Mine, Peru [db_pics/pics/J56b.jpg]

Silver with Acanthite from Uchucchacua Mine, Peru [db_pics/pics/J56c.jpg]

Silver wires and patches of native Silver with areas of Acanthite rising from a black sulfide rich matrix. The longest wire is very thick and has an estimated length of about 2.4cm if it were stretched out. There are a number of good wires present. These are no longer being found.

J64 - Axinite $ 220
Butte County, California
thumbnail - 2.7 x 2.3 x 2.1 cm

(click on an image to enlarge)
Axinite from Butte County, California [db_pics/pics/J64a.jpg]

Axinite from Butte County, California [db_pics/pics/J64b.jpg]

Axinite from Butte County, California [db_pics/pics/J64c.jpg]

A rare specimen from Butte County in California showing a cluster of bladed, light brown, Axinite crystals. The largest crystal has clear areas and is in very good condition with only a small amount of microscopic chipping. Murdoch, Joseph & Robert W. Webb (1966), in Minerals of California, notes an occurrence near the Feather River and Yankee Hill areas, but little else is known. Comes mounted in a 1.25-inch perky box with an original old faded label. A true rarity for the California collector and much better than photos.

J71 - Cerussite $ 280
Daoping Mine, Yangshuo, Guangxi Region, China
miniature - 4.8 x 3.7 x 1.3 cm

(click on an image to enlarge)
Cerussite from Daoping Mine, Yangshuo, Guangxi Region, China [db_pics/pics/J71a.jpg]

Cerussite from Daoping Mine, Yangshuo, Guangxi Region, China [db_pics/pics/J71b.jpg]

Cerussite from Daoping Mine, Yangshuo, Guangxi Region, China [db_pics/pics/J71c.jpg]

Unusual candy colored Cerussite of yellow and pink. These Daoping Cerussites are among the most colorful for the species and it appears they are from a one time or limited find from several years ago. The crystal has flat, lustrous front and back faces and highly complex terminatation growth along the edges. Some minor damage to the bottom edges of this specimen. (click on a page number to go to that page:)

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