Mineral Specimens with Andradite

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MD-59242 - Andradite - - Archived
Bor Pit (Boron Pit; Bor Quarry), Dal'negorsk B deposit, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia

small cabinet, 6.4 x 5.4 x 3.2cm
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Andradite from Bor Pit (Boron Pit; Bor Quarry), Dal'negorsk B deposit, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-59242a.jpg]

Lustrous, sharp crystals of deep wine-red andradite garnet cover the matrix of this Dalnegorsk specimen. 6.4 x 5.4 x 3.2cm


MD-60979 - Andradite - - Archived
Sinerechenskoe skarn occurrence (Sinerechenskoye; Sineretschenskoye; Sinerechenskiy Mine; Blue River), Kavalerovo Mining District, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tet

thumbnail, 0.8cm
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Andradite from Sinerechenskoe skarn occurrence (Sinerechenskoye; Sineretschenskoye; Sinerechenskiy Mine; Blue River), Kavalerovo Mining District, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tet [db_pics/mdpics/MD-60979a.jpg]

Lustrous, deep red crystals to 0.8cm, including a double-crystal of 1.4 cm. 5.5 x 2.8 x 2.1 cm


MD-61292 - Andradite - - Archived
Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA

cabinet, 14.8 x 11.6 x 6.0cm
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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-61292a.jpg]

This is a BIG plate of ARIZONA garnets. The rolling matrix is covered with flashing, olive-green crystals. An exceptionally large and rich specimen! 14.8 x 11.6 x 6.0cm


MD-61346 - Andradite - - Archived
Sinerechenskoe skarn occurrence (Sinerechenskoye; Sineretschenskoye; Sinerechenskiy Mine; Blue River), Kavalerovo Mining District, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tet

thumbnail, 0.8 cm.
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Andradite from Sinerechenskoe skarn occurrence (Sinerechenskoye; Sineretschenskoye; Sinerechenskiy Mine; Blue River), Kavalerovo Mining District, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tet [db_pics/mdpics/MD-61346a.jpg]

Deep wine-colored andradite garnets to 0.8 cm., from the prolific Bor Mine in Dalnegorsk. 7.9 x 6.2 x 3.8cm


MD-64374 - Andradite (Var: Demantoid) - - Archived
Malenco Valley, Sondrio Province, Lombardy, Italy

small cabinet, 7.4 x 4.8 x 2.5 cm
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Andradite (Var: Demantoid) from Malenco Valley, Sondrio Province, Lombardy, Italy [db_pics/mdpics/MD-64374a.jpg]

A superb, bright, display-quality example of this old classic! Demantoids on matrix are among the rarest of garnets, and these bright and gemmy crystals from Val Malenco are certainly the most desirable of the variety. This is a large specimen with excellent coverage and more importantly crystals of high lustre and deep green color. It is very difficult to find such pieces on the market. 7.4 x 4.8 x 2.5 cm


MD-66648 - Andradite, Andradite (Var: Topazolite) - - Archived
New Idria District, Diablo Range, San Benito Co., California, USA

thumbnail, 2.0 x 1.8 x 1.4 cm
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Andradite, Andradite (Var: Topazolite) from New Idria District, Diablo Range, San Benito Co., California, USA [db_pics/mdpics/MD-66648a.jpg]

Gemmy and lustrous, golden-amber crystals of andradite variety topazolite nicely set on matrix from the Sam Nasser Collection. This is a relatively UNCOMMON andradite varietal and this specimen is from a renowned location - the New Idria District of San Benito County, California. SUPER THUMBNAIL! 2.0 x 1.8 x 1.4 cm


MD-67887 - Andradite (Var: Melanite) - - Archived
Chile

thumbnail, 2.3 cm.
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Andradite (Var: Melanite) from Chile [db_pics/mdpics/MD-67887a.jpg]

This is a WONDERFUL garnet cluster, and from Chile, which is quite uncommon and hard to find! These garnets are BIG, show extremely sharp and fine faces, and have super luster. There are a couple of shallow contacts on the one at the bottom of the cluster, but overall this piece is in fine shape. Large crystal is 2.3 cm. 4.2 x 3.6 x 3.5 cm


MD-67899 - Andradite, Hematite - - Archived
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa

cabinet, 13.3 x 8.0 x 7.2 cm
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Andradite, Hematite from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-67899a.jpg]

This is a specimen of hematite on one side of which have formed distinct, euhedral crystals - that were later covered with a layer of wine-red, sparkly garnet microcrystals! Pretty and very unusual - from the Wessels Mine in the Kalahari Manganese Fields of South Africa. This specimen blows you away in person - the pics cannot convey it! 13.3 x 8.0 x 7.2 cm


MD-71148 - Andradite (Var: Melanite) - - Archived
Kayes Region, Mali

small cabinet, 5.5 x 5.5 x 4.5 cm.
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Andradite (Var: Melanite) from Kayes Region, Mali [db_pics/mdpics/MD-71148a.jpg]

5.5 x 5.5 x 4.5 cm. You are probably familiar with the yellow garnets that have been coming from Mali. Here is an extremely large melanite garnet, impressive in not just for its size, but also for its form and luster. It is a compound crystal, and you can see the sub-crystals extending architecturally around the sides. The crystal has fine symmetry. Ex. Bill Larson collection.


MD-74912 - Quartz, Andradite - - Archived
Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA

thumbnail, .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-74912a.jpg]

A mass of solid andradite garnet opens into a vug containing many, translucent, lustrous olive green dodecahedrons, .5 cm across, surrounded by frosted, translucent, colorless quartz crystals, to 4.0 cm in length. Formerly in the collections of Martin Zinn and Les Presmyk. Great color contrast! This is one of the finest examples of the material I know of 7.9 x 7.0 x 6.4 cm


MUN05-10 - Demantoid Garnet (pseudomorph?) - SOLD
Kerman, Afghanistan

miniature, 5 x 3.2 x 1.5 cm
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Demantoid Garnet  (pseudomorph?) from Kerman, Afghanistan [db_pics/pics/mun05-10a.jpg]
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Demantoid Garnet  (pseudomorph?) from Kerman, Afghanistan [db_pics/pics/mun05-10b.jpg]

This odd creature SEEMS to be a single crysatl of another mineral, I know not what, that has been overgrown and deplaced with solid garnet of this rare varietal. These have trickeled out for 3-4 years now, but I have not before seen one like this. Also, the specimens tend to be smaller, mostly thumbnails or small miniature aggregations. this would be one of the larger fine examples of the type. The color is incredibly rich and juicy, like ripe lime skin. The second shot shows a closeup from the side, showing that the termination is thick and fairly euhedral, with clear faces that aren't natural to a garnet but rather look prismatic (perhaps this is after beryl? or quartz?). Fascinating, AND beautiful!


RHODO3 - Demantoid Garnet - SOLD
Malenco Valley, Sondrio Province, Lombardy, Italy

small cabinet, 7.4 x 4.8 x 2.5 cm
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Demantoid Garnet from Malenco Valley, Sondrio Province, Lombardy, Italy [db_pics/pics/rhodo3a.jpg]
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Demantoid Garnet from Malenco Valley, Sondrio Province, Lombardy, Italy [db_pics/pics/rhodo3b.jpg]

A superb, bright, display-quality example of this old classic! Demantoids on matrix are among the rarest of garnets, and these bright and gemmy crystals from Val Malenco are certainly the most desirable of the variety. This is a large specimen with excellent coverage and more importantly crystals of high lustre and deep green color. It is very difficult to find such pieces on the market


SN138 - Andradite - $ 30
Julimes, Chihuahua, Mexico

thumbnail, 3.1 x 2 x 1.8 cm
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ex.  Sam Nasser

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Andradite from Julimes, Chihuahua, Mexico [db_pics/pics/sn138a.jpg]

Large garnet crystals from a recent locality


SN22 - Andradite Garnet - SOLD
Stanley Butte, Graham Co., Arizona, USA

thumbnail, 3 x 2 x 2 cm
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ex.  Sam Nasser

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Andradite Garnet from Stanley Butte, Graham Co., Arizona, USA [db_pics/pics/sn22a.jpg]
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Andradite Garnet from Stanley Butte, Graham Co., Arizona, USA [db_pics/pics/sn22b.jpg]

Unusually good thumbnail example for the locality, of isolated xls on matrix!.


TUC114-031 - Andradite var. Demantoid garnet - $ 1250
Antetezambato, Ambanja District, Diana Region, Antsiranana Province, Madagascar

miniature, 5.3 x 4.5 x 3.5 cm
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Andradite var. Demantoid garnet from Antetezambato, Ambanja District, Diana Region, Antsiranana Province, Madagascar [db_pics/new2011/DEMANTOID-GARNET-MADAGASCAR-JB031-2.jpg]
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Andradite var. Demantoid garnet from Antetezambato, Ambanja District, Diana Region, Antsiranana Province, Madagascar [db_pics/new2011/DEMANTOID-GARNET-MADAGASCAR-JB031-5.jpg]
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Andradite var. Demantoid garnet from Antetezambato, Ambanja District, Diana Region, Antsiranana Province, Madagascar [db_pics/new2011/DEMANTOID-GARNET-MADAGASCAR-JB031-8.jpg]

From amazing new finds of 2009-2010, this piece features glassy and gemmy, richly green, demantoid crystals to 8 mm across. The crystals cascade nicely across the matrix for a dramatic display. They are particularly gemmy, even for this find. The white matrix was actually limestone which has been, amazingly, metamorphosed ( metasomatized) into garnet in ancient geological time. Incredible origins for a matrix garnet specimen, and yet another reason to value this new deposit so highly. It is not certain at the moment that much more can come out of here, for various reasons. See here for more information on this find: http://www.irocks.com/Demantoid_Garnet_Topazolite_Garnet_Madagascar_Garnet.html.Joe Budd Photos



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Rob Lavinsky, rob@irocks.com

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