Marin Mineral Company - Selected Specimens

Selected Specimens

US$ € EURO ¥ YEN £ POUND CAN$ AUS$ Note
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K845 - Prehnite $ 175
Merelani Hills, Arusha, Tanzania
miniature - 3.7 x 3.5 x 2.5 cm

(click on an image to enlarge)
Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K845a.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K845b.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K845c.jpg]

Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K845d.jpg]

Spherical cluster of green Prehnite with larger individual crystals that have grown out from the center. The backside is contacted with an attached partial Tanzanite crystal and there is Graphite on the base. The front and larger crystals are all undamaged. This greenish color is distinct and typical of 2018/2019 finds.

K827 - Apatite on Diopside (?) $ 250
Chamkoroma, Dodoma Province, Tanzania
miniature - 4 x 3 x 2 cm

(click on an image to enlarge)
Apatite on Diopside (?) from Chamkoroma, Dodoma Province, Tanzania [db_pics/pics/K827a.jpg]

Apatite on Diopside (?) from Chamkoroma, Dodoma Province, Tanzania [db_pics/pics/K827b.jpg]

Apatite on Diopside (?) from Chamkoroma, Dodoma Province, Tanzania [db_pics/pics/K827c.jpg]

Apatite on Diopside (?) from Chamkoroma, Dodoma Province, Tanzania [db_pics/pics/K827d.jpg]

Apatite on Diopside (?) from Chamkoroma, Dodoma Province, Tanzania [db_pics/pics/K827.mp4]

A 2.4 terminated Apatite crystal attached to two terminated green crystals (possibly Diopside or other Pyroxene). This is relatively new material and the only aesthetic specimen that I saw of the material. The Apatite is translucent and gets transparent near the termination. There is also a small amount of transparent, colorless Hyalite Opal attached to the green crystals.

K835 - Tanzanite $ 425
Merelani Hills, Arusha, Tanzania
miniature - 3.8 x 1.5 x 1 cm

(click on an image to enlarge)
Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K835a.jpg]

Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K835b.jpg]

Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K835c.jpg]

Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K835d.jpg]

Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K835e.jpg]

Double-terminated bi-colored Tanzanite crystal, blue/purple with yellow tips on each end. Clean and undamaged.

K797 - Spinel $ 225
Mahenge, Morogoro, Tanzania
thumbnail - 2.5 x 2.3 x 1.8 cm

(click on an image to enlarge)
Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K797a.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K797b.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K797c.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K797d.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K797e.jpg]

Pink Spinel from Mahenge is world famous for incredible faceted gemstones and much of what is found is used for gems. This is an uncommon, nearly complete octahedral crystal with just a small amount of chipping on one tip, otherwise undamaged and lustrous all around. Weighs 13.37 grams.

K800 - Spinel $ 275
Mahenge, Morogoro, Tanzania
thumbnail - 2 x 1.7 x 1.5 cm

(click on an image to enlarge)
Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K800a.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K800b.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K800c.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K800d.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K800e.jpg]

Intergrown cluster of 4 red/pink Spinels. Spinel from Mahenge is world famous for incredible faceted gemstones and much of what is found is used for gems. This is good cluster of octahedral crystals with just a small amount of chipping. Largest crystal is 1.8cm.

K808 - Spinel $ 160
Mahenge, Morogoro, Tanzania
thumbnail - 2 x 1.9 x 1 cm

(click on an image to enlarge)
Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K808a.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K808b.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K808c.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K808d.jpg]

A 1.2cm pink Spinel on Calcite. The Spinel has great color and is translucent with transparent zones. Undamaged.

K820 - Spinel $ 140
Mahenge, Morogoro, Tanzania
thumbnail - 1.5 x 1.5 x 1 cm

(click on an image to enlarge)
Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K820a.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K820b.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K820c.jpg]

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K820d.jpg]

A 1.5cm pink Spinel with attached Calcite. The Spinel has great color and is translucent with transparent zones. Undamaged.

K796 - Pyrite $ 300
Merelani Hills, Arusha, Tanzania
small cabinet - 6 x 5.2 x 3.5 cm

(click on an image to enlarge)
Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K796aa.jpg]

Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K796ba.jpg]

Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K796ca.jpg]

Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K796da.jpg]

Large, somewhat flat single Pyrite crystal with large, flat faces and incredible luster. The exotic crystal forms and high luster of Merelani Pyrite make it my favorite of any Pyrite found. This is a good example atop a small amount of Calcite and Graphite.

K781 - Pyrite $ 150
Merelani Hills, Arusha, Tanzania
miniature - 4.5 x 4.5 x 4 cm

(click on an image to enlarge)
Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K781aa.jpg]

Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K781ba.jpg]

Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K781ca.jpg]

Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K781ea.jpg]

Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K781.mp4]

Large, complex single Pyrite crystal with high luster. The exotic crystal forms and high luster of Merelani Pyrite make it my favorite of any Pyrite found. There are two smaller attached crystals and it's contacted on the base, otherwise complete all around with just a few chips and great overall form and presentation.

K774 - Tsavorite $ 750
Merelani Hills, Arusha, Tanzania
thumbnail - 2.6 x 2.3 x 1.8 cm

(click on an image to enlarge)
Tsavorite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K774a.jpg]

Tsavorite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K774b.jpg]

Tsavorite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K774ca.jpg]

Tsavorite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K774da.jpg]

Large single green Grossular var. Tsavorite with bevelled edges and high luster. Contacted at the bottom and all top faces undamaged.

K771 - Diopside $ 130
Merelani Hills, Arusha, Tanzania
thumbnail - 1.4 x 0.7 x 0.4 cm

(click on an image to enlarge)
Diopside from Merelani Hills, Arusha, Tanzania [db_pics/pics/K771aa.jpg]

Diopside from Merelani Hills, Arusha, Tanzania [db_pics/pics/K771ca.jpg]

Diopside from Merelani Hills, Arusha, Tanzania [db_pics/pics/K771da.jpg]

Sharp single Diopside crystal with excellent luster, transparency. Better than average color for such a transparent crystal, and undamaged, complete all around.

K788 - Tanzanite $ 400
Merelani Hills, Arusha, Tanzania
thumbnail - 2.7 x 1.2 x 0.6 cm

(click on an image to enlarge)
Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K788aa.jpg]

Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K788ba.jpg]

Tanzanite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K788da.jpg]

Sharp single Tanzanite crystal with excellent luster, good transparency. Purple/blue with a yellow zone at the top. Undamaged and complete all around.

K832 - Kulanite $ 280
Stoneman Camp, Young Creek, Yukon, Canada
thumbnail - 2.9 x 2.2 x 1.8 cm

(click on an image to enlarge)
Kulanite from Stoneman Camp, Young Creek, Yukon, Canada [db_pics/pics/K832a.jpg]

Kulanite from Stoneman Camp, Young Creek, Yukon, Canada [db_pics/pics/K832b.jpg]

Kulanite from Stoneman Camp, Young Creek, Yukon, Canada [db_pics/pics/K832c.jpg]

Exceptional specimen of the rare phosphate mineral Kulanite. These are often found as specimens with small drusy crystals. This specimen has a large isolated crystal/compound crystal (?) 1cm wide along with other smaller, isolated crystals. Out of an old collection.

K830 - Chalcocite $ 150
Flambeau Mine, Ladysmith, Wisconsin, USA
thumbnail - 2.3 x 2.1 x 1.6 cm

(click on an image to enlarge)
Chalcocite from Flambeau Mine, Ladysmith, Wisconsin, USA [db_pics/pics/K830a.jpg]

Chalcocite from Flambeau Mine, Ladysmith, Wisconsin, USA [db_pics/pics/K830b.jpg]

Chalcocite from Flambeau Mine, Ladysmith, Wisconsin, USA [db_pics/pics/K830c.jpg]

Cluster of well formed Chalcocite crystals with a dark blue, irridescent color. Main crystal is 2.2cm in size.

K846 - Zircon $ 325
Mozambique
miniature - 4 x 3.5 x 2.5 cm

(click on an image to enlarge)
Zircon from Mozambique [db_pics/pics/K846a.jpg]

Zircon from Mozambique [db_pics/pics/K846b.jpg]

Zircon from Mozambique [db_pics/pics/K846c.jpg]

Large single Zircon crystal, complete all around and undamaged. These are fairly new and I've only seen a few of them so far. Weighs 78 grams. (click on a page number to go to that page:)

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*133*	*134*	*135*	*136*	*137*	*138*	*139*	*140*	*141*	*142*	*143*	*144*
*145*	*146*

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