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Mineral Specimens with Andradite
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Beautiful and lustrous dark cherry-red andradite garnet crystals to 5 mm crown a pillar of lustrous hedenbergite blades from Serifos, Greece. Choice materal. Now, quartz included with hedenbergite is common and in fact famous from this location. Freestanding hedenbergite xls are much more uncommon, and to have this remarkable association of bright garnets perched atop them, even more so by an order of magnitude. VERY INTERESTING, PRETTY, and important locality specimen but beyond that, its just a good combo rock in any case. as you can tell, i like the darned thing. 6.3 x 5.2 x 3.7 cm
7.6 x 5.5 x 4.8 cm. A hill of garnets from Garnet Hill. The crystals have magnificent luster and a pretty deep wine to rust color to them, and measure to over 1.3 cm. The garnets are on fat epidote crystals. Ex. Dave Stoudt and R.W. Reynolds Collections.
5.4 x 3.5 x 3.2 cm. Mali is well-known now for the combination of globes of translucent green prehnite in association with dark epidotes, along with a find of yellow "Mali garnets". This, however, is a specimen from a recent find of very large and interesting andradite garnets. They measure up to 3 cm across - so are quite large - with stepped growth on their faces and a sort of metallic deep gray sheen. Very sharp and attractive.
9.6 x 3.1 x 2.4 cm. A very rare gem demantoid garnet, 0.7 cm, on matrix, from Italy. The crystal sits isolated on a matrix of asbestos and serpentine.
7.2 x 5.4 x 2.5 cm. Topazolite is a rare variety of gem andradite garnet with the colour and transparency of topaz. This superb specimen, from the Bill Larson Collection, features very gemmy and lustrous, golden-yellow crystals to 7 mm aesthetically set in a well-placed, elongate vug lined with sparkly clinochlore microcrystals. This striking specimen is from the November, 1998 find at the Yellow Cat Mine, San Benito County, California.
This is a terrific specimen of hematite with significant size. It is well-formed and with a mirror luster that also has unusual "silky" spots on the front face. It is complete all around the front and sides, though the sides are heavily encrusted with a carpet of andradite garnet and minor bits of clinging matrix and so they are a little rough...but the display face is, as i said, superb Add generous coatings of highly lustrous Andradites that sparkle even in dim light, and this becomes a fabulous specimen of great combination interest and aesthetic appeal. These remarkable specimens were found in teh mid-1980s and remain to this day the largest fine crystals of hematite in the world, by any standard. The classic association with the garnet is just a bonus, to my mind. 9.4 x 7.9 x 3.4 cm
Large, compound crystal of Andradite (it is complete on front, though halved 3-dimensionally by contact on the back even though it is not broken per se). The color and luster are both good . Uncommon, and nice and just plain HUGE for the size for the locality. 4.3 x 3.9 x 2.7 cm
Lustrous, well-formed crystals to .5 cm covering the matrix. The color and luster add to the importance and beauty of this specimen. In person, it has more of a red hue than you see here 5.5 x 5 x 2 cm
7.1 x 4.1 x 2.8 cm. These Stanley Butte andradites are instantly recognizable by their unique olive color. This is a plate of sharp, gleaming crystals in fine condition. It is an old-time piece which is accompanied with an old Burminco label.
4.1 x 3.9 x 2.2 cm. You are probably familiar with the find at this locality of yellow "Mali garnets", but this is a specimen from a different find last year, of fine andradites. They have a fine luster, and the slightly brown tone gives them almost the look of polished oxidized bronze under good light.
8.7 x 7.8 x 6.4. These crystals, to 1.5cm, are the best I have personally seen from this famous locality for the overall size of the specimen. They have a gorgeous, silky sheen to them, the piece is 3-dimensional, and it’s just plain big. Most good pieces from here are small. I suppose that is why Charlie kept it so long as one of his mixed worldwide minerals, in with his Kalahari and Indian collections which were much larger. A fine, US classic. Ex. Charlie Key.
4.8 x 4.1 x 2.6 cm. A huge crystal for this classic, old, US locality. I have never seen such a large crystal from here, myself. Average Stanley Butte garnets run to 1 or 2 cm. Ex. Charlie Key.
Here is a lustrous, largeish 2 cm-plus andradite crystal, with definite red color, set in the middle of calcite matrix! This is a wonderful garnet specimen for the locality, for quality and aesthetics. 6.5 x 5 x 3 cm
8.0 x 5.8 x 5.0 cm. A fine and rich specimen of gemmy and lustrous, olive-green andradite variety demantoid garnets aesthetically scattered on starkly contrasting fibrous serpentinite matrix from a classic Italian locality - the Malenco Valley. The large, compound crystal at the edge is 1.2 cm. Excellent material from this well-known locality.
12.3 x 10.9 x 10.4 cm. A cluster of huge andradites from Arizona. These very sharp crystals measure to over 3 cm. The matrix itself is pretty much pure garnet (a concretion of smaller crystals). Ex. Evan Jones Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Andradite, Hedenbergite from Serifos Island (Seriphos), Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon), Kykládes Prefecture, Aegean Islands (Aiyaíon) Department, Greece [db_pics/mdpics/MD-20546a.jpg]](db_pics/mdpics/MD-20546a.jpg)
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![Andradite (Var: Demantoid) from Franscia Mine, Campo Franscia, Lanterna Valley, Malenco Valley, Sondrio Province, Lombardy, Italy [db_pics/mdpics/MD-207252b.jpg]](db_pics/mdpics/MD-207252b.jpg)
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