Mineral Specimens with Andradite

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MD-271591 - Andradite (Var: Demantoid) - - Archived
Antetezambato (Tetezambato), Ambanja District, Diana (Northern) Region, Antsiranana Province, Madagascar

miniature, 4. 4x 2.7 cm.
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Andradite (Var: Demantoid) from Antetezambato (Tetezambato), Ambanja District, Diana (Northern) Region, Antsiranana Province, Madagascar [db_pics/mdpics/MD-271591a.jpg]
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Andradite (Var: Demantoid) from Antetezambato (Tetezambato), Ambanja District, Diana (Northern) Region, Antsiranana Province, Madagascar [db_pics/mdpics/MD-271591b.jpg]

5.4 x 4. 4x 2.7 cm. Recently (2008-2009), there was a discovery of some of outstanding quality Demantoid Garnets in Madagascar. The quality and color of these crystals rivals pieces I have seen from Italy, Namibia or even Russia. This specimen hosts dozens of very sharp, rather lustrous, excellent quality, beautiful green colored, gemmy, modified dodecahedral and trapezohedral Demantoid crystals on a contrasting white matrix. The luster on these crystals is superb for Demantoid, and the largest crystal measures 4 mm, which is decent sized for the find. Please note that under halogen lights, the crystals appear a bit lighter in color, but under mercury bulbs, the color is very intense.


MD-272634 - Hematite, Andradite - - Archived
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa

thumbnail, 3.1 x 2.6 x 1.5 cm.
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Hematite, Andradite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-272634a.jpg]
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Hematite, Andradite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-272634b.jpg]

3.1 x 2.6 x 1.5 cm. A superb large thumbnail (2.6 cm) composed of a crystal of Hematite that has excellent form and superb luster. This central crystal is accented by numerous smaller Hematites and many sparkly micro Andradites. It is complete-all-around. Its lustre, sharpness of form, and overall display as a thumbnail makes it an outstanding competitive-level piece as well as a classic for the locality. Ex. Charlie Key.


MD-272643 - Andradite (Var: Demantoid) - - Archived
Soghan, Baft District, Kerman Province, Iran

thumbnail, 2.2 x 1.6 x 1.3 cm.
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Andradite (Var: Demantoid) from Soghan, Baft District, Kerman Province, Iran [db_pics/mdpics/MD-272643a.jpg]

2.2 x 1.6 x 1.3 cm. Deep-green to emerald-green, this translucent crystal of Andradite (var: Demantoid) is 2.2 cm long. It is superb for the locality, from Charlie Key's choice collection of worldwide thumbnails. This euhedral crystal has well-formed, complex faces, and is a very good example of a Demantoid Garnet thumbnail from Iran. The intensity of the emerald-green portions of the crystal is quite eye-catching, and nearly unique for this locality. This is quite large for a single crystal from here, in good condition.


MD-272648 - Hausmannite, Andradite - - Archived
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa

small cabinet, 6.2 x 6.1 x 1.8 cm.
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Hausmannite, Andradite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-272648a.jpg]
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Hausmannite, Andradite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-272648b.jpg]

6.2 x 6.1 x 1.8 cm. This is a superb Hausmannites specimen. The tetragonal pyramids, up to nearly 1 cm on edge, are razor-sharp and highly lustrous. One large crystal has an old cleave, that seems to be partially re-healed and is grown over by later crystals, presenting an unusual broad face. One of the truly great things about the specimen is that pyramidal-looking crystals retain their individuality. They are not intergrown like you see on many Hausmannites. This is an exceptional specimen, not only for the quality of the Hausmannite crystals but the fine combination that you find it in. It is likely that the fine pink microcrystals are Andradite garnet, a rare and unique association. Ex. Charlie Key.


MD-282531 - Andradite (Var: Demantoid) - - Archived
Ghazni (Gazni) Province, Afghanistan

small cabinet, 8.8 x 7.1 x 3.7 cm.
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Andradite (Var: Demantoid) from Ghazni (Gazni) Province, Afghanistan [db_pics/mdpics/MD-282531a.jpg]
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Andradite (Var: Demantoid) from Ghazni (Gazni) Province, Afghanistan [db_pics/mdpics/MD-282531b.jpg]

8.8 x 7.1 x 3.7 cm. This hand-sized display specimen hosts a few sharp, highly lustrous, gemmy, rich green, slightly modified dodecahedral crystals of Andradite (var "Demantoid") on schist matrix. The largest crystal measures 9 mm across. Please note that these crystals show a color change from a "mint green" color to a very rich "lime green" hue in different lighting. Under halogen lights, the crystals appear more pastel, but under mercury bulbs, the color is very intense.


MD-35234 - Andradite, Hedenbergite - - Archived
Serifos Island (Seriphos), Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon), Kykládes Prefecture, Aegean Islands (Aiyaíon) Department, Greece

miniature, 4.7 x 4.2 x 4.2 cm
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Andradite, Hedenbergite from Serifos Island (Seriphos), Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon), Kykládes Prefecture, Aegean Islands (Aiyaíon) Department, Greece [db_pics/mdpics/MD-35234a.jpg]

A wonderful sculptural quality is exhibited by matte, reddish, dodecahedral andradite crystals, almost 1 cm across, sitting on top of and in the valley of multi-terminated greenish-gray, hedenbergite crystals which emanate from a matrix of massive hedenbergite. This is truly a fine specimen, aesthetically among the best I have seen for the locality. Old material, too!. 4.7 x 4.2 x 4.2 cm


MD-36974 - Hematite, Andradite, Calcite - - Archived
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa

thumbnail, 1.5 cm
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Hematite, Andradite, Calcite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-36974a.jpg]

When these hematites were first discovered at the Wessels mine some twenty or so years ago, they immediately became classics. Their large size and association with red garnet made them highly collectible. This particular specimen, originally in the Ed David collection (number on bottom), is a complex crystal of hematite, with mirror bright metallic luster . Associated are minor drusy red garnets and an equant 1.5 cm calcite crystal. At the base of the specimen ,it has been contacted where it grew vertically out from the pocket wall leaving ALL OTHER FACES perfectly and 100% terminated all around! These are amazing hematites, and the find is today considered one of the major non-rhodochrosite finds for the manganese district. 6.8 x 4.5 x 1.3 cm


MD-37443 - Andradite - - Archived
Emerald Creek, Latah Co., Idaho, USA

miniature, 4 x 3.6 x 2.7 cm
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Andradite from Emerald Creek, Latah Co., Idaho, USA [db_pics/mdpics/MD-37443a.jpg]

Another complete crystal, or rather dual pair of two intergrown crystals, from an old locality. Perfect symmetry and complete all around! 4 x 3.6 x 2.7 cm


MD-38298 - Andradite - - Archived
Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA

thumbnail, 1.3 cm
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Andradite from Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA [db_pics/mdpics/MD-38298a.jpg]

A large plate of big, lustrous andradite garnets of deep olive green, from Arizona! The crystals measure to 1.3 cm across. There is an area of missing crystals or contact in one place, but as you can see, this is still a fine piece! 7.2 x 5.8 x 4.2 cm


MD-38308 - Andradite - - Archived
Mwami, Karoi (Urungwe; Hurungwe) District, Mashonaland West, Zimbabwe

miniature, 4.2 x 3.9 x 3.8 cm
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Andradite from Mwami, Karoi (Urungwe; Hurungwe) District, Mashonaland West, Zimbabwe [db_pics/mdpics/MD-38308a.jpg]

This is a huge and darned nearly perfect trapezohedral andradite garnet crystal from the noted collection of Gerald C. Herfurth (1930 - 1998), from Zimbabwe. There is VERY minor wear on a few edges, hard to detect; in general, this is an extremely dramatic garnet crystal for its size and textbook form! It just impresses with the smmetry, aside from having some color too. 4.2 x 3.9 x 3.8 cm


MD-38337 - Andradite - - Archived
Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA

small cabinet, 6.1 x 4.3 x 3.9 cm
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Andradite from Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA [db_pics/mdpics/MD-38337a.jpg]

A cluster of ARIZONA garnets on matrix - flattened rhombohedrons to over 1 cm across. A couple of dings but overall in good shape. 6.1 x 4.3 x 3.9 cm


MD-38506 - Andradite - - Archived
Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA

thumbnail, 0.75 cm
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Andradite from Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA [db_pics/mdpics/MD-38506a.jpg]

A cluster of fine ARIZONA andradite garnets, piled up nicely on the center of the matrix, with superb luster and some iridescence. The crystals measure to about 0.75 cm across, and are a pretty olive-green color. 6.5 x 4.5 x 3.8 cm


MD-40489 - Quartz, Andradite - - Archived
Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA

miniature, 3.5 cm
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Quartz, Andradite from Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA [db_pics/mdpics/MD-40489a.jpg]

A beautifully aesthetic and pristine Arizona specimen of water-clear quartz needles to 3.5 cm on tiny green andradite crystals from Stanley Butte. An excellent combination piece from this locality. 5.9 x 4.5 x 2.3 cm


MD-40684 - Andradite, Hedenbergite - - Archived
Serifos Island (Seriphos), Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon), Kykládes Prefecture, Aegean Islands (Aiyaíon) Department, Greece

small cabinet, 9.4 x 8.5 x 7.0 cm
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Andradite, Hedenbergite from Serifos Island (Seriphos), Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon), Kykládes Prefecture, Aegean Islands (Aiyaíon) Department, Greece [db_pics/mdpics/MD-40684a.jpg]

A dramatic and showy specimen of lustrous, rust-brown andradite crystals to 1.0 perched on columnar, green hedenbergite from Seriphos Island, Greece. Garnets are very rare for the locale, and this is Old and classic material, no longer available. There are a few broken crystals mixed in with teh dozens of perfect ones, but this minor bit of damage is certainly not detracting to this impressive specimen. 9.4 x 8.5 x 7.0 cm


MD-40722 - Andradite - - Archived
Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA

small cabinet, 6.7 x 4.9 x 3.4 cm
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Andradite from Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA [db_pics/mdpics/MD-40722a.jpg]

A plate of sparkly, lustrous, olive-colored ARIZONA garnets - actually, 2 generations, with larger crystals partially coated with a sugary, bright later generation of smaller ones. 6.7 x 4.9 x 3.4 cm



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