Marin Mineral Company - Selected Specimens

Selected Specimens

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C560 - Covellite $ 3800
Annie Vein, Summitville, Colorado, USA
small cabinet - 7.5 x 7 x 6 cm

(click on an image to enlarge)
Covellite from Annie Vein, Summitville, Colorado, USA [db_pics/pics/c560a.jpg]

Covellite from Annie Vein, Summitville, Colorado, USA [db_pics/pics/c560b.jpg]

Covellite from Annie Vein, Summitville, Colorado, USA [db_pics/pics/c560c.jpg]

Irridescent blades of Covellite crystals in a few different areas on matrix. Ex. J.H. Marshall Jr. and Geary Murdock collections and comes with three old labels. One label indicates 'exceptionally well crystallized Covellite. One of the finest specimens I have ever seen from this locality'.

C564 - Fluorite with Quartz $ 1200
Yaogangxian Mine, Hunan, China
small cabinet - 6.2 x 6 x 4 cm

(click on an image to enlarge)
Fluorite with Quartz from Yaogangxian Mine, Hunan, China [db_pics/pics/c564a.jpg]

Fluorite with Quartz from Yaogangxian Mine, Hunan, China [db_pics/pics/c564b.jpg]

Fluorite with Quartz from Yaogangxian Mine, Hunan, China [db_pics/pics/c564c.jpg]

Fluorite with Quartz from Yaogangxian Mine, Hunan, China [db_pics/pics/c564d.jpg]

Color-zoned purple/blue Fluorite cube with 5 terminated Quartz crystals grown along the sides.Two small trivial nicks otherwise pristine. Wonderful transparency and aesthetics.

C567 - Calcite on Copper $ 175
Keweenaw Peninsula, Michigan, USA
miniature - 5 x 4 x 3 cm

(click on an image to enlarge)
Calcite on Copper from Keweenaw Peninsula, Michigan, USA [db_pics/pics/c567a.jpg]

Calcite on Copper from Keweenaw Peninsula, Michigan, USA [db_pics/pics/c567b.jpg]

Calcite on Copper from Keweenaw Peninsula, Michigan, USA [db_pics/pics/c567c.jpg]

Small Calcite crystals atop crystalline Copper with good patina. Calcite and green Epidote on the backside.

C569 - Prehnite $ 150
Merelani Hills, Arusha, Tanzania
miniature - 4 x 2.5 x 2 cm

(click on an image to enlarge)
Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/c569a.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/c569b.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/c569c.jpg]

Cluster of translucent yellow Prehnite crystals. Such yellow Prehnites have come from Merelani sporadically over the years, but never before in the quality that has been found in the last year. This specimen has big chunky crystals all over, nothing but great crystals sticking out in various directions. A good one for the find.

C570 - Prehnite $ 300
Merelani Hills, Arusha, Tanzania
miniature - 4 x 3 x 2.8 cm

(click on an image to enlarge)
Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/c570a.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/c570b.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/c570c.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/c570d.jpg]

Cluster of translucent yellow Prehnite crystals on Graphite. Such yellow Prehnites have come from Merelani sporadically over the years, but never before in the quality that has been found in the last year. This specimen has big chunky crystals all over in a tall mound shaped formation. There is some chipping present, but mostly nothing but great crystals sticking out 360 degrees in all directions. A good one for the find.

C571 - Carrollite $ 300
Kamoya South Mine, Kambove, Katanga, Congo
miniature - 3.5 x 3 x 3 cm

(click on an image to enlarge)
Carrollite from Kamoya South Mine, Kambove, Katanga, Congo [db_pics/pics/c571a.jpg]

Carrollite from Kamoya South Mine, Kambove, Katanga, Congo [db_pics/pics/c571b.jpg]

Exquisite jewel of a Carrollite set perfectly in rhombic white Calcite. The octahedron is 1.1cm in size, highly lustrous, and undamaged.

C572 - Apatite $ 500
Panasquiera, Portugal
small cabinet - 6.5 x 4.5 x 4 cm

(click on an image to enlarge)
Apatite from Panasquiera, Portugal [db_pics/pics/c572a.jpg]

Apatite from Panasquiera, Portugal [db_pics/pics/c572b.jpg]

Apatite from Panasquiera, Portugal [db_pics/pics/c572c.jpg]

Apatite from Panasquiera, Portugal [db_pics/pics/c572d.jpg]

Apatite from Panasquiera, Portugal [db_pics/pics/c572e.jpg]

Large blue/green Apatite crystals on Quartz crystals with Siderite. The Apatite crystals are highly lustrous and reach 2cm in size. Undamaged.

C575 - Helvite $ 950
Clark Mine, Rincon district, San Diego Co., California, USA
thumbnail - 2.5 x 2.5 x 1.5 cm

(click on an image to enlarge)
Helvite from Clark Mine, Rincon district, San Diego Co., California, USA [db_pics/pics/c575a.jpg]

Helvite from Clark Mine, Rincon district, San Diego Co., California, USA [db_pics/pics/c575b.jpg]

Helvite from Clark Mine, Rincon district, San Diego Co., California, USA [db_pics/pics/c575c.jpg]

Pair of Helvite crystals on matrix from San Diego Co. There are 2 crystals, largest is 1cm on edge. These are rare for San Diego, or anywhere in California. Ex. Curtis Wilbur collection, and pictured on Mindat, photo number 638291.

SM123 - Tremolite $ 80
Merelani Hills, Arusha, Tanzania
thumbnail - 2.4 x 0.8 x 0.6 cm

(click on an image to enlarge)
Tremolite from Merelani Hills, Arusha, Tanzania [db_pics/pics/SM123a.jpg]

Tremolite from Merelani Hills, Arusha, Tanzania [db_pics/pics/SM123b.jpg]

Tremolite from Merelani Hills, Arusha, Tanzania [db_pics/pics/SM123c.jpg]

Bright green Tremolite crystal. Great color! A thich single crystal at the base that sprays out into multiple terminations as it rises up. The base is rehealed, making this a floater. Undamaged.

SM127 - Tremolite $ 120
Merelani Hills, Arusha, Tanzania
thumbnail - 2.4 x 0.9 x 0.4 cm

(click on an image to enlarge)
Tremolite from Merelani Hills, Arusha, Tanzania [db_pics/pics/SM127a.jpg]

Tremolite from Merelani Hills, Arusha, Tanzania [db_pics/pics/SM127b.jpg]

Tremolite from Merelani Hills, Arusha, Tanzania [db_pics/pics/SM127c.jpg]

Bright green Tremolite crystal. Great color! Well terminated, undamaged crystal with good transparency.

SM130 - Apatite $ 350
Panasquiera, Portugal
miniature - 3.5 x 3.2 x 3 cm

(click on an image to enlarge)
Apatite from Panasquiera, Portugal [db_pics/pics/SM130a.jpg]

Apatite from Panasquiera, Portugal [db_pics/pics/SM130b.jpg]

Apatite from Panasquiera, Portugal [db_pics/pics/SM130c.jpg]

Apatite from Panasquiera, Portugal [db_pics/pics/SM130d.jpg]

Highly lustrous blue Apatite crystals with Muscovite. Main crystal is 2.2 x 1.8 cm and intergrown with a slightly smaller crystal. Slight edge chipping keeps the price way down compared too the overall beauty of the specimen and the price this would be if perfect. Glassy luster with large transparent areas.

SM132 - Apatite with Arsenopyrite $ 250
Panasquiera, Portugal
miniature - 5 x 3.2 x 3 cm

(click on an image to enlarge)
Apatite with Arsenopyrite from Panasquiera, Portugal [db_pics/pics/SM132a.jpg]

Apatite with Arsenopyrite from Panasquiera, Portugal [db_pics/pics/SM132b.jpg]

Apatite with Arsenopyrite from Panasquiera, Portugal [db_pics/pics/SM132c.jpg]

Undamaged green Apatite crystals to 1.8 cm with bright metallic Arsenopyrite crystals. Undamaged.

SM133 - Quartz with Arsenopyrite, Ferberite $ 150
Panasquiera, Portugal
miniature - 5 x 4 x 3.3 cm

(click on an image to enlarge)
Quartz with Arsenopyrite, Ferberite from Panasquiera, Portugal [db_pics/pics/SM133a.jpg]

Quartz with Arsenopyrite, Ferberite from Panasquiera, Portugal [db_pics/pics/SM133b.jpg]

Quartz with Arsenopyrite, Ferberite from Panasquiera, Portugal [db_pics/pics/SM133c.jpg]

Quartz with Arsenopyrite, Ferberite from Panasquiera, Portugal [db_pics/pics/SM133d.jpg]

Transparent single Quartz crystal intergrown with Arsenopyrite and Ferberite at the base. Undamaged and highly transparent.

SM136 - Wulfenite $ 120
San Francisco Mine, Magdelena, Sonora, Mexico
small cabinet - 6 x 4 x 3.5 cm

(click on an image to enlarge)
Wulfenite from San Francisco Mine, Magdelena, Sonora, Mexico [db_pics/pics/SM136a.jpg]

Wulfenite from San Francisco Mine, Magdelena, Sonora, Mexico [db_pics/pics/SM136b.jpg]

Wulfenite from San Francisco Mine, Magdelena, Sonora, Mexico [db_pics/pics/SM136c.jpg]

Wulfenite from San Francisco Mine, Magdelena, Sonora, Mexico [db_pics/pics/SM136d.jpg]

Wulfenite from San Francisco Mine, Magdelena, Sonora, Mexico [db_pics/pics/SM136e.jpg]

Wulfenite crystals with Mimetite. Undamaged. Comes mounted in a plastic box with an old Schneiders label.

SM122 - Chrome Tourmaline $ 200
Landani, Tanzania
thumbnail - 1.2 x 1.2 x 1.0 cm

(click on an image to enlarge)
Chrome Tourmaline from Landani, Tanzania [db_pics/pics/SM122a.jpg]

Chrome Tourmaline from Landani, Tanzania [db_pics/pics/SM122b.jpg]

Chrome Tourmaline from Landani, Tanzania [db_pics/pics/SM122c.jpg]

Chrome Tourmaline from Landani, Tanzania [db_pics/pics/SM122d.jpg]

Single crystal of Chrome Tourmaline, a vanadium rich Uvite/Dravite. Deep emerald green color and highly transluscent to transparent when backlit. Undamaged crystal 0f superb color!!!

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