Tanzanian Minerals


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K839 - Titanite with Tsavorite on Calcite $ 450 (=~ CAN$ 0) SOLD
 Merelani Hills, Arusha, Tanzania
thumbnail - 3 x 2.5 x 2 cm


(click on an image to enlarge)

Titanite with Tsavorite on Calcite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K839a.jpg] Titanite with Tsavorite on Calcite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K839b.jpg] Titanite with Tsavorite on Calcite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K839c.jpg]

A 2.2cm Titanite (Sphene) crystal standing on edge atop Calcite crystals that are in turn sprinkled with small green Tsavorite crystals. Titanite is uncommon at Merelani and this is a superb display example that would make a great addition to a Merelani suite. Undamaged and displays well from many angles.
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K845 - Prehnite $ 175 (=~ CAN$ 0)
 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.
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K767 - Spessartine $ 350 (=~ CAN$ 0)
 Nani, Loliondo, Tanzania
miniature - 3.3 x 3.3 x 3.3 cm


(click on an image to enlarge)

Spessartine from Nani, Loliondo, Tanzania [db_pics/pics/K767a.jpg] Spessartine from Nani, Loliondo, Tanzania [db_pics/pics/K767b.jpg] Spessartine from Nani, Loliondo, Tanzania [db_pics/pics/K767c.jpg]

Large single Spessartine crystal with bright citrus orange coloration. Though incomplete on the bottom, the rest of the crystal is undamaged with just some trivial edge wear. It is good sized and I love the gem transparent zone at the top.
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K827 - Apatite on Diopside (?) $ 250 (=~ CAN$ 0)
 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]

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.
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K836 - Pyrite on Prehnite $ 325 (=~ CAN$ 0) SOLD
 Merelani Hills, Arusha, Tanzania
miniature - 3.4 x 2.5 x 2 cm


(click on an image to enlarge)

Pyrite on Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K836a.jpg] Pyrite on Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K836b.jpg] Pyrite on Prehnite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K836c.jpg]

A 1.4cm mirror-lustrous Pyrite crystal set in yellow Prehnite crystals. I don't recall ever seeing one like this (Pyrite in Prehnite). Neither mineral is rare at the Merelani Tanzanite mines, but I've never seen them together like this. A stunner.
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K835 - Tanzanite $ 425 (=~ CAN$ 0)
 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.
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K797 - Spinel $ 225 (=~ CAN$ 0)
 Mahenge, Morogoro, Tanzania
thumbnail - 2.5 x 2.3 x 1.8 cm


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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.
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K800 - Spinel $ 275 (=~ CAN$ 0)
 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.
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K799 - Spinel $ 90 (=~ CAN$ 0)
 Mahenge, Morogoro, Tanzania
thumbnail - 2.3 x 2 x 1.5 cm


(click on an image to enlarge)

Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K799a.jpg] Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K799b.jpg] Spinel from Mahenge, Morogoro, Tanzania [db_pics/pics/K799c.jpg]

A 1.2cm pink Spinel in Calcite. The Spinel has great color and transparent zones. There is a chip on one edge, otherwise undamaged.
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K808 - Spinel $ 160 (=~ CAN$ 0)
 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.
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K820 - Spinel $ 140 (=~ CAN$ 0)
 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.
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K796 - Pyrite $ 300 (=~ CAN$ 0)
 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.
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K793 - Pyrite $ 150 (=~ CAN$ 0)
 Merelani Hills, Arusha, Tanzania
small cabinet - 5.5 x 4.5 x 4.5 cm


(click on an image to enlarge)

Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K793aa.jpg] Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K793ba.jpg] Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K793ca.jpg] Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K793da.jpg] Pyrite from Merelani Hills, Arusha, Tanzania [db_pics/pics/K793ea.jpg]

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 some natural surface indentations that were caused by growth of other crystals and it's contacted on the base, otherwise complete all around with just a few chips and great overall form and presentation.
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K781 - Pyrite $ 150 (=~ CAN$ 0)
 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]

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.
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K774 - Tsavorite $ 750 (=~ CAN$ 0)
 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.
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