Mineral Specimens with Hausmannite

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3D82 - Hausmannite - SOLD
Ilmenau, Thuringia Forest, Thuringia, Germany
thumbnail, 2.2 x 1.8 x 1 cm
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ex.  Marilyn Dodge

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Hausmannite from Ilmenau, Thuringia Forest, Thuringia, Germany [db_pics/pics/3d82a.jpg]

Very fine cluster of sharp and lustrous Hausmannites that is topped off by an eye-catching 1 cm stacked crystal right at the top. This fine old classic actually compares very favorably with the better of the South African Hausmannites.

4MB28 - HAUSMANNITE & BARITE - SOLD
N'CHWANING MINE, KURUMAN, SOUTH AFRICA
thumbnail, 2 X 1.5 X 1.4 cm
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HAUSMANNITE & BARITE from N'CHWANING MINE, KURUMAN, SOUTH AFRICA [db_pics/pics/4mb28a.jpg]		CLICK HERE FOR LARGER IMAGE:
HAUSMANNITE & BARITE from N'CHWANING MINE, KURUMAN, SOUTH AFRICA [db_pics/pics/4mb28b.jpg]

Modified 1.3 cm octachedron with good metallic luster. One small attached octahedron, along with minor barite.

4MB32 - HAUSMANNITE - SOLD
N'CHWANING MINE, KURUMAN, SOUTH AFRICA
thumbnail, 2.5 X 2.1 X 2.1 cm
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HAUSMANNITE from N'CHWANING MINE, KURUMAN, SOUTH AFRICA [db_pics/pics/4mb32a.jpg]		CLICK HERE FOR LARGER IMAGE:
HAUSMANNITE from N'CHWANING MINE, KURUMAN, SOUTH AFRICA [db_pics/pics/4mb32b.jpg]

Large 1.8 cm modified octahedron with very good luster and interesting stepped growth form.

4MB7 - HAUSMANNITE - SOLD
N'CHWANING MINE, KURUMAN, SOUTH AFRICA
thumbnail, 2.7 X 2.5 X 1.9 cm
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HAUSMANNITE from N'CHWANING MINE, KURUMAN, SOUTH AFRICA [db_pics/pics/4mb7a.jpg]		CLICK HERE FOR LARGER IMAGE:
HAUSMANNITE from N'CHWANING MINE, KURUMAN, SOUTH AFRICA [db_pics/pics/4mb7b.jpg]

Above average cluster of PRIMARY octahedrons to .6 cm from an important location. What makes this so good is the lack of overgrowths on the crystals.

D06-21 - Hausmannite pseudo. after Manganite - SOLD
Ilfeld, Harz Mountains, Germany
miniature, 4.4 x 2.3 x 1.9 cm
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Hausmannite pseudo. after Manganite from Ilfeld, Harz Mountains, Germany [db_pics/pics/d06-21a.jpg]		CLICK HERE FOR LARGER IMAGE:
Hausmannite pseudo. after Manganite from Ilfeld, Harz Mountains, Germany [db_pics/pics/d06-21b.jpg]

An extremely rare specimen! On this piece, hausmannite has replaced the previous generation of manganite crystals. It is hard to get anything over thumbnail size of this old classic.

ETTR-1020 - Ettringite with Hausmannite - $ 450
Nchwaning Mines, Kalahari Fields, South Africa
miniature, 5.5 x 4 x 4 cm
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Ettringite with Hausmannite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-55mm_0740.jpg]

A sharp 2.6-cm-long, doubly-terminated crystal sits atop this richly covered matrix knob, overhanging a carpet of sparkling micro-hausmannite crystals. Although not large for the pocket, this is a good matrix ettringite piece of unusual contrast, and one of our few matrix miniatures

ETTR-1021 - Ettringite with Hausmannite and Oyelite - $ 5000
Nchwaning Mines, Kalahari Fields, South Africa
small cabinet, 7 x 3.5 x 2.8 cm
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Ettringite with Hausmannite and Oyelite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-1021a.jpg]		CLICK HERE FOR LARGER IMAGE:
Ettringite with Hausmannite and Oyelite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-72mm_0613.jpg]
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Ettringite with Hausmannite and Oyelite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-1021b.jpg]		CLICK HERE FOR LARGER IMAGE:
Ettringite with Hausmannite and Oyelite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-1021c.jpg]

Perhaps my personal favorite of the lot, this is an elegant, starkly dramatic single crystal of 6 cm length shotting up from a perfectly trimmed bit of accenting matrix that serves as a pedestal. The matrix is a thin plate of manganese gossan covered on one side by a rolling carpet of soft oyelite; and on the other by a brilliantly sparkling layer of micro-hausmannite crystals. It has a wonderful and unusual (compared to other species) lemony-yellow color, slightly pastel but not pale at all. It is hard to explain or convey in pictures, but there is a certain ethereal quality to these specimens that makes the crystals look "soft" and unusual compared to most other large crystalline species. And, this is a rather large example for this species. Remarkably, it is COMPLETE all around! Although past finds of ettringite have produced a few crystals of this size, and smaller ones with more intense color, these leap out at you from a case as something truly unusual, and this piece has aesthetics which take it to the next level still. I think, overall, these ghostly, deep yellow crystals, especially specimens like this on matrix, leap out from any collection as there are few species with such a color.

ETTR-1023 - Ettringite with Hausmannite - $ 1250
Nchwaning Mines, Kalahari Fields, South Africa
miniature, 5 x 2.6 x 1.2 cm
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Ettringite with Hausmannite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-49mm_0682.jpg]

This is a very aesthetic, freestanding cluster of several crystals, with an accent of stark black hausmannite in the middle! A superb, showy miniature featuring soft lemon-yellow color, translucency, and a good surface lustre for this species. For overall aesthetics in a miniature, this is one of my favorites in this pocket.

ETTR-1026 - Ettringite with Hausmannite - $ 1200
Nchwaning Mines, Kalahari Fields, South Africa
miniature, 4.2 x 2.1 x 1.3 cm
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Ettringite with Hausmannite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-49mm_0667.jpg]

This is a very aesthetic, freestanding cluster of several crystals, with an accent of stark black hausmannite as a hat, atop! The hausmannite draws the eye to the flat, fine termination. Complete all around, this is a really unusual piece, overal. The crystal features soft lemon-yellow color, translucency, and a good surface lustre for this species.

ETTR-1029 - Ettringite with Hausmannite - $ 750
Nchwaning Mines, Kalahari Fields, South Africa
miniature, 5.3 x 2.3 x 2.2 cm
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Ettringite with Hausmannite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-54mm_0661.jpg]		CLICK HERE FOR LARGER IMAGE:
Ettringite with Hausmannite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-54mm_0660.jpg]

A sharp miniature with vivid contrasts! This clustre of upright ettringites is host to a crust of brilliantly sparkling, micro-hausmannite crystals on one side. All is perched on a thin shard of caclite and hausmannite-covered matrix. A really nice, elegant miniature, with good color and translucency, representative of this new find.

ETTR-1035 - Ettringite with Hausmannite and Oyelite - $ 6000 SOLD
Nchwaning Mines, Kalahari Fields, South Africa
small cabinet, 9 x 6 x 5 cm
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Ettringite with Hausmannite and Oyelite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-85mm_0623.jpg]
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Ettringite with Hausmannite and Oyelite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-85mm_0625.jpg]		CLICK HERE FOR LARGER IMAGE:
Ettringite with Hausmannite and Oyelite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-85mm_0626.jpg]

This piece is perhaps the most starkly aesthetic and sculptural of the lot, with a single dramatic, lemon yellow crystal just flying up off the matrix, braced in its freefall by a little crossbar crystal. That crystal is the sharpest in the lot, as well....VERY equant, and very complete all around with no damage or dings. It is 4 cm long, 1.5 cm thick. The matrix is hausmannite and hematite, coated by a rich carpet of soft oyelite. I have NEVER seen such an example, on contrasting matrix and so 3-dimensional, for sale.

ETTR-1036 - Ettringite on Oyelite with Hausmannite - $ 3500 SOLD
Nchwaning Mines, Kalahari Fields, South Africa
small cabinet,
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Ettringite on Oyelite with Hausmannite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-90mm_0610.jpg]		CLICK HERE FOR LARGER IMAGE:
Ettringite on Oyelite with Hausmannite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-90mm_0611.jpg]

3 major crystals dominate the top of this matrix plate of hausmannite, smothered by a soft carpet of oyelite. The two frontal crystals are 4 cm long, and a 5-cm crystal runs under them, linking them all together in a chain of color. A larger, fatter , broken-off crystal is a backstop at the base of the cluster. Overall this is a dramatic piece, particularly shown in the vertical, and it is more ettringite than one normally sees on one specimen!

ETTR-1037 - Ettringite with Hausmannite - $ 1750
Nchwaning Mines, Kalahari Fields, South Africa
miniature, 4 x 3.7 x 2.7 cm
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Ettringite with Hausmannite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-45mm_0646.jpg]		CLICK HERE FOR LARGER IMAGE:
Ettringite with Hausmannite from Nchwaning Mines, Kalahari Fields, South Africa [db_pics/new2010/Ettringite-Kalahari-Namibia-45mm_0647.jpg]

A truly outstanding, lemon yellow crystal measuring 4 x 1.7 x 1.5 cm, perched against a matrix of hausmannite, makes for one of the more impactful and memorable miniatures in this lot. The black on yellow color contrast is REALLY stark and exciting, and I think overall the balance of the two species makes the piece special. Pristine, complete all around, this is a competition grade miniature

JFMXT29 - Hausmannite ps. after Manganite - $ 600
Ifeld, Harz Mountains, Germany
miniature, 3.6 x 3.5 x 2.4 cm
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Hausmannite ps. after Manganite from Ifeld, Harz Mountains, Germany [db_pics/pics/jfmxt29a.jpg]		CLICK HERE FOR LARGER IMAGE:
Hausmannite ps. after Manganite from Ifeld, Harz Mountains, Germany [db_pics/pics/jfmxt29b.jpg]

I had never seen a replacement of manganite by hausmannite before and would have expected it from South Africa, but to find it from this old German find really surprised me. Let me say right off that most of these crystals ARE unterminated, but that is why you can own this rare old German pseudomorph for under $500. Despite the damage, the specimen shows very distinct, well-formed crystals to 1.8 cm.

K205 - Hausmannite - SOLD
Wessels Mine, Kalahari Manganese Fields, South Africa
thumbnail, 3.1 x 2.7 x 2.0 cm
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Hausmannite from Wessels Mine, Kalahari Manganese Fields, South Africa [db_pics/pics/k205a.jpg]		CLICK HERE FOR LARGER IMAGE:
Hausmannite from Wessels Mine, Kalahari Manganese Fields, South Africa [db_pics/pics/k205b.jpg]

SHARP, very equant, mirror-lustrous cluster of the highest quality!


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Rob Lavinsky, rob@irocks.com

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